Fertilisers and Feeding Stuffs Regulations (Cap. 63:55)

LAWS OF TJUNlDAD AND TOBAGO MINISTRY OF LEGAL AFFAIRS Fertilisers and Feeding Stuffs SUBSIDIARY LEGISLATION www. legalaffairs.gov.tt Chap. 63:55 11 FERTILISERS AND FEEDING STUFFS REGULATIONS ARRA NGEMENT OF REGULATIONS REGULATION 1. Citation. 2. Interpretation. 3. Certi ficate of Analyst. 1. Anulyat'a report. 5. Citric acid solvent. 6. Appointment of agent. 7. Invoice, etc., to be xeruto Analyxt. 8. Prescribed part of invoice. 9. Sampling. lU. Methods of analysis of fertilisers, 11 . Methods of analysis of feeding stuff. 12. Use of prescribed weights. 13. Limits of error. SCHEDULE. LRD.l/2006 UPDATED TO DECEMBER 31ST 2009 MINISTRY OF LEGAL AFFAIRS LAWS OF TJUNlDAD AND TOBAGO www. legalaffairs.gov.tt 12 [Subsldlury] Chap. 63:55 Fertilisers and Feeding Stuffs G. 6. 5.1909. Citation. Interpretation. Certificate of Analyst. Forms A and B. Scte uute. Analyst's report. Citri c acid solvent. FERTILISERS AND FEEDING STUFFS REGULATIONS made under section 8 1. These Regulations may be cited as the Fertilisers and Feeding Stuffs Reg ulations. 2. In these Regulations "feeding stuff' means any article used as food for cattle (as defined by the Act, i.e., bulls, cows, oxen, heifers, calves, sheep, goats, swine, horses, mules and asses ) or poultry; "fertiliser" means any articl e used for fertili sing the soil; "purchaser" and "seller" include their respective agents. 3. The Certificate of an Analyst, in the case of a sample which has been divided into parts as pro vided in the Act, shall be in such one of the forms set out as Forms A and B in the Sch edule as may be applicable to the case, with such variations as the circ umstances require. 4. Every Analyst shall, as soon as may be after 31st March, 30th June, 30th September, and 31st December in each year, report to the Minister the results of all analyses made by him under section 7(4)( h) of the Act during the three calendar months ending on such dates respectively; and he shall also forthwith report to the Mini ster the res ult of any such analysis in any case in which any provision of the Act appears to him to have been infringed. 5. When in an invoice relating to basic sla g or basic superphosphate it is specified that a certain percentage of the phosphate contain ed in the basic slag or basic superphosphate is soluble in citric acid, this shall be taken to mean that it is capable of bcing dissolved to the extent of such percentage when five grams of the fertiliser and five hundred cubic centimetres of water, containing ten grams of citric acid , are continuously agitated in a flask or bottle of about one litre capacity for the period of half an hour at the ordinary temperature. UPDATED TO DECEMBER 31ST 2009 LAWS OF TJUNlDAD AND TOBAGO MINISTRY OF LEGAL AFFAIRS Fertilisers and Feeding Stuffs Fertilisers and Feeding StuffsRegulauons www. legalaffairs.gov.tt Chap. 63:55 13 [Subsld.1ary] 6. The purchaser of a fertiliser or feeding stuff may, for the purposes of the Act, appoint an agent, in the form set out as Form C in the Schedule, or in a form to the like effect. 7. Where a sample is, or parts of a sample are, under section 7 of the Act sent for analysis to the Chief Analyst orto an Analyst, there shall be sent with the sample or parts the invoice (if any) relating to the article from which the sample was taken , or a copy of the invoice or of such part thereof as is hereinafter prescribed, and also any circu lar or advertisement, or a copy thereof, of the seller descriptive of the article which the purchaser Inay wish the Analyst to consider in making his analysis and giving his cert ificate. 8. Where a copy of an invoice is sent to the Chief Analyst or to an Analyst, in pursuance of the Act, there may be omitted from the copy the name and address of, and any other matter which would identify or disclose, the seller of the article to whieh the invoice relates. The prescribed part of the invoice shall be the whole thereof excep t such name , address and other matter as aforesaid. 9. Where, for the purposes of the Act, a sample is required to be taken in the prescribed manner, or in accordance with Regulations made under the Act, the following provisions shall apply: (a) The sample shall be taken in the following manner: III the case ofa f ertiliser (i) When the fertiliser is delivered in bags or other packages, a number of bags or packages shall be selected as follows: Not less than two bags or packages where the quantity of the whole consignment does not exceed one ton . Not les s than three ba gs or packages where th e q ua nti ty o f the whole con signment exceeds one ton and doe s not exceed two tons. UPDATED TO DECEMBER 31ST 2009 Appointment of agent. P OJJll C. Sc hedule. Invnio- . etc , to be sent to Analyst. Preecribed part of invoice. Sampling . LR D. l /2006 MINISTRY OF LEGAL AFFAIRS LAWS OF TJUNlDAD AND TOBAGO www.legalaffairs.gov.tt 14 [Subsld.1ary] Chap. 63:55 Fertilisers and Feeding Stuffs rentusers and Feeding StuffsRegulations Not less than fo ur bags or packages whcrc thc quantity of thc wholc consignment exceeds two tons and does not exceed three tons, and, where the quantity exceeds three tons, one additiona l bag or pack age for every additional ton or part of a ton; pro vided that in no case need more than ten bags or packages be selected . The selection shall be made from different parts of the whole consignment. (ii) The selected bags or packages shall be opened separatel y and their co ntents thoro ughly mixed togcthcr with a wooden spoon or paper knife . From each bag or package, a portion not less than two pounds in weight shall be set aside. The portions so set aside shall then be thoroughly mixed together and any lumps broken up by the hand, spoon or knife. From this mixture a sample from about two pounds to four pounds in weight, shall be taken. (iii) When the fertiliser is delivered in bulk, a like number of portio ns, according to the quanti ty of the who le consignment, shall be taken from different parts of the whole consignment and thoroughly mixed together and a sample from about two pounds 10 fo u I' pou nds in we igh t, shal l he taken from the mixture . (iv) When the ferti li ser cons ists of bulky material, uneven in character and likely to get matted together, such as shoddy, wool refuse, hair, sheep manure, etc ., portions are 10 he taken from the ,~I~~I~O hOB' or packages, or from different parts of the UPDATED TO DECEMBER 31ST 2009 LAWS OF TJUNlDAD AND TOBAGO MINISTRY OF LEGAL AFFAIRS Fertilisers and Feeding Stuffs Fertilisers and Feeding StuffsRegulauons www.legalaffairs.gov.tt Chap. 63:55 15 [Subsld.1ary] fertiliser if in bulk, the matted portions torn up, and all the portions thoroughly mixed together. The sample shall be taken from the mixture and shall be not less than three pounds in weight. (v) As an alternative method, where neither the seller nor the buyer signifies objection thereto, the sample of a fertiliser delivered in bags or other packages may be taken by a sampling pale or spear or pipe or tube, which shall not be less than twenty-four inches in length, and two inches in diameter. The sampling instrument shall be pressed into the mouth of the bag or package so as to pass through the entire depth of the contents or to the extreme length of the sampling instrument. The several quantities thus taken from the selected bags or packages, which shall be at least double the number of bags or packages required to be selected under paragraph (i) , shall be thoroughly mixed rn gether and :l sample , from about two pounds to four pounds in weight, shall be taken from the mixture. In the case afafeeding sruff-: (vi) When the feeding stuff is in the state of grain or meal , it shall be sampled in the snmc manner us prescribed for fertilisers. When the feed ing stuff is in the state of cake, a number of cakes shall be selected, from different part s of the whole cons ignme nt, as follow s: Not less than five cakes where the quantity of the consignment docs not exceed two tons. LRD.l/2006 UPDATED TO DECEMBER 31ST 2009 MINISTRY OF LEGAL AFFAIRS LAWS OF TJUNlDAD AND TOBAGO www.legalaffairs.gov.tt 16 [Subsld.1ary] Chap. 63:55 Fertilisers and Feeding Stuffs rentusers and Feeding StuffsRegulations Not less than ten cakes where the quan tity exceeds two ton s and docs not exceed five tons. No t less than fifteen cakes where the quantity exceeds five tons and docs not exceed fifty tons. Not less than twenty -five cakes where the quantity e xceeds fifty tons. (vii) The selected cakes shall either be passed through a cake-breaker or be broken into small pieces such as could be passed through a one and a half inch sieve. The broken cakes or the pieces sha ll be thoroughly mixed, and [rom the mixture a sample, not less than six pounds in weight, shall be taken. (viii) As an alternative method, three strips shall be taken across the middl e of each selected cake; and each of the three parts, into which (under section 7(3) of the Ael) a sample is to be divided, shall contain one strip of each selected cake . (ix) Where, on delivery of the consignment, any appreciable portion of the feeding stuff is found to be mouldy, sour, or otherwise unsuitable for feedin g purposes, sep ar-ale samples are to be taken of the unsuitable portion and of the residueof the feeding stuff respectiv ely ; and , in the cas e of unsuitable cakes, the sample may consist of several large pieces fairly representative thereof. An estimate shall be made by the person taking the sample as to the proportion of the feeding stuff unsuitable for feeding purposes and shall be communicated in writing by him to the Analyst. UPDATED TO DECEMBER 31ST 2009 LAWS OF TJUNlDAD AND TOBAGO MINISTRY OF LEGAL AFFAIRS Fertilisers and Feeding Stuffs Fertilisers and Feeding StuffsRegulauons www.legalaffairs.gov.tt Chap. 63:55 17 [Subsld.1ary] (x) When the feeding stuff is in a fluid or semi-fluid condition, three packages shall be selected, and , after the contents have been well stirred or shaken, a portion shall immedia tely be taken from eac h. T he seve ral portio n s shall then be thoroughly mixed together in a clean vessel , and from the mixture a sample , from about two pounds to four pounds in weight, shall be taken. In the case ofhath fertilisers andfeeding stuffs-: (xi) Wh ere the q uanti ty of the who le consignment does not exceed two hundredweights, the sample may consist of such a portion of the consignment as is fairly representative of the whole , and the sample shall be of such a quantity that each of the parts, into which (under section 7(3) of the Act) it is to be divided, will be sufficient to enable a proper analysis to be made thereof. (h) General directions as to sampling (xii) In every case the sampling shall be done as quickly as is poss ible consistently with due care. and the material shall not be allowed to be exposed any longer than is absolutely necessary. (xiii) Each of the p art s into which (under section 7(3) of the Act) the samp le is to be div ided, shall be packed in a dry, clean bottle or jar, or (except in the case of a fertili ser) in a dry clean tin , or in some other suitable manner, so that the origina l composition of the fertiliser or feeding stuff may be preserved. LRD.l/2006 UPDATED TO DECEMBER 31ST 2009 MINISTRY OF LEGAL AFFAIRS LAWS OF TJUNlDAD AND TOBAGO www.legalaffairs.gov.tt 18 [Subsld.1ary] Chap. 63:55 Fertilisers and Feeding Stuffs rentusers and Feeding StuffsRegulations (xiv) Each of the said parts of the sample shall be so packed and secured that it cannot be tampered with , and shall be sealed and initialled by the person taking the sample. It may also be scaled by the purchaser and the seller, if present, and so desiring. If the seller does not attend, the witness shall initial it. It shall be marked with the name of the article, the date and the place of the sampling, and with some distinguishing number, in such a manner that the particulars so marked can be seen without breaking the seal or seals. (xv) Where a sample is taken in the presence of, and sealed by, the seller as well as the purchaser, it shall be deemed , as between the purchaser and the seller, to have been taken in accordance with these Regulations. Methods of analysis of fertilisers. 10. The methods of analysis of a fertiliser for the purposes of the Act shall be as follows: ( i) Preparutfun uf I" " Sample fur Ana lysis (a) In the case of powdered fertilisers in a dry, or moderate ly dry condi tion, the sample shall be passed through a sieve with perforations about one millimetre in diameter. Adventitious materials which cannot be conveniently crushed , e.g; fragments of metal in basic slag, shall be removed and allowed for. (h) Other substances which are dry enough to powder but which are not in a fine condition shall be pulverised until the sample passes thro ugh a sieve with perforat ions about one millimetre in diameter. UPDATED TO DECEMBER 31ST 2009 LAWS OF TJUNlDAD AND TOBAGO MINISTRY OF LEGAL AFFAIRS Fertilisers and Feeding Stuffs Fertilisers and Feeding StuffsRegulauons www.legalaffairs.gov.tt Chap. 63:55 19 [Subsld.1ary] (c) Wool, hair, hoof, shoddy and similar substances, shall be pulled apart and eut until in a fine condition; or, if dry, they may be passed through a shredding machine. (d) Moist fertilisers which do not admit of being passed through a sieve shall be thoroughly mixed by the most suitable means. (e) In the case of horn, shoddy, and other substances which gain or lose water during the process of pulverising, the proportion of water shall be estimated in the coarse and in the powdered condition respectively,and the results of the analysis of the powdered sample shall be calculated to the water content of the original coars e substance. (f) Crystalline or saline materials, such as sulphate of ammonia, nitrate of soda, or potash salts, may be prepared by being well mixed and rapidly ground in a stoneware mortar, the portion finally reserved for analysis being especially finely ground. (g) Wh en the sample has been passed throu gh the sieve and thoroughly mixed, or, if not passed through the sieve , has been thoroughly mixed, a part of it not being less than one hundred grams shall be placed in a stoppered bottle, and from this the portions for analysis shall be weighed. (ii) Determination of Moistu re (Loss on Drying) A weighed quantity of the samp le shall be dried at lOone. (iii) Determination of Nitroge n The presence or absence of nitrates must first be ascertained. (A) Nitrogen in absence ofNitrates (a ) A we ighed portion of th e sample sha ll be transferred to a Kjeldahl digestion flask; ten grams of potassium sulphate and twenty-five cubic LR D . l /2006 UPDATED TO DECEMBER 31ST 2009 MINISTRY OF LEGAL AFFAIRS LAWS OF TJUNlDAD AND TOBAGO www.legalaffairs.gov.tt 20 Chap. 63:55 Fertilisers and Feeding Stuffs [Subsld.1ary] Fertilisers and Feeding StuffsRegulations centimetres of concentrated sulphuric acid shall be added, and the Ilask shall be heated until a clear liquid , colourless, or of light straw colo ur is obtained. The operation may be accelerated by the addition of a small crystal of copper sulphate or a globule of mercury to the liquid in the digestion flask. (h) The quantity of ammonia shall be determined by distillation into standard acid after liberation with alkali, and , where mercury has been used , with the addition also of sodium or potassium sulphide solution. (B) Nitrogen when Nitrates are present (a) A weighed portion of the sample shall be transferred to a Kjeldahl digestio n flask ; thirty cubic centimetres of concentrated sulphuric acid, containing one gram of salicylie acid, shall be added , and the flask shall be shaken so as to mix its contents witho ut delay. The shaking shall be continued at intervals during ten minutes, the flask being kept cool. and then five grams of sodium thiosulphate and ten grams of potassium sulphate shall be added . The flask shall be heated until the contents are colourless or nearly so. Copper sulphate or mercury may be used as above described in paragraph (iii)(A)(a) . (b) The quantity uf auuuouia shall be deteuuiued as above prescribed in paragraph (iii)(A)(h) . (C) Nitrogen inform ofAmmonium Salts A weighed portion of the sample shall be transferred to a distillation flask , and the quanti ty of ammonia shall be determined as above prescribed in paragraph (iii)(A)(h). UPDATED TO DECEMBER 31ST 2009 LAWS OF TJUNlDAD AND TOBAGO MINISTRY OF LEGAL AFFAIRS Fertilisers and Feeding Stuffs Fertilisers and Feeding StuffsRegulauons www.legalaffairs.gov.tt Chap. 63:55 21 [Subsld.1ary] (D) Nitrogen in Nitrates in the absence ofAmmonium Salts and of Organ ic N itrogen One gram of the sample shall be placed in a hal f-litre Erlenmeyer flas k with fif ty cubic centimetres of water. Ten grams of reduced iron and twenty cubic centimetres of sulphuric acid of 1.35 specific gra vity shall be added. Th e flask shall be closed with a rubber stopper provided with a th istle tube, the head of which shall be half filled with glass beads. The liquid shall be boiled for five minutes , and the flask shall then be remo ved from the flam e, any liquid that may have accumulated among the heads heing rinsed hack with water into the flask. The solution shall be boiled for three minutes more, and the beads again washed with a little water. The quantity of ammonia shall then be determined as above prescribed in parag raph (ii i)(A )(b ). In cases in which the proportion of nitrates is small, a larger quantity of the sample shall be taken . (E) Control Experiment ill D etermination o.fNitrogen The materials used in any of the methods described under thi s paragraph (iii ) shall be examined as to their freedom from nitrogen by means of a control experiment carried out under similar conditions with the same quantities of the reagents which have been employed in the actual analysis, in the case of (A) one gram of pure sugar being used in place of the weighed portion of the sample. The quantity of standard acid used in the control experiment shall be deducted from the total quantity of acid found to have been neutralis ed in the distillation of the sample. LRD.l/2006 UPDATED TO DECEMBER 31ST 2009 MINISTRY OF LEGAL AFFAIRS LAWS OF TJUNlDAD AND TOBAGO www.legalaffairs.gov.tt 22 [Subsld.1ary] Chap. 63:55 Fertilisers and Feeding Stuffs rentusers and Feeding StuffsRegulations (iv) Determination of Phosphates (a) Phosphates Soluble in Water In the case of superp hosphates, disso lved bones and similar substances , twenty grams of the sample shall be continuously agitated for thirty minutes in a litre flask with eight hundred cubic centimetres of water. The flask shall then be filled to the mark , and again shaken, and the contents shall be filtered . Fifty cubic centimetres of the filtrate shall be boiled with twe nty cubic centimetres of concentrated nitric acid and the phosphoric acid shall be determined by the molybdate method pre sc ri b ed b elow in paragraph (iv)(d) . In the case of fertilisers in which the proportion of phosphates soluble in water is small , a larger quantity of the filtrate prepared as above shall be taken . (h) Phosph ates Soluble in the prescribed Citr ic Acid Solution Five grams of the sample shall be transferred to a stoppered bottle of about one litre capacity. Ten grams of pure crystallised citric acid shall be dissolv ed in water, the volu me shall be made up to five hundred cubic centimetres, and the solution sha ll be added to the weighed portion of the sample in the bottle. To lessen the possibility of caking, the portion of the sample in the bottle may be moistened with five cubic centimetres of alcohol or methylated spirit before the citric acid solution is added; and in that case the volume of the citric acid solution shall be four hundred and ninety-five c ubic ceu ti rueu e s ins te ad uf fi ve luuuh ed cub ic cen timetres. The bottle shall be at once fitted into a mec han ica l shaking apparatus and shall be contin uously agitated during thirty minutes. The solution shall then be filtered UPDATED TO DECEMBER 31ST 2009 LAWS OF TJUNlDAD AND TOBAGO MINISTRY OF LEGAL AFFAIRS Fertilisers and Feeding Stuffs Fertilisers and Feeding StuffsRegulauons www. legalaffairs.gov.tt Chap. 63:55 23 [Subsld.1ary] through a large " folded" filter, the whole of th e liquid be ing pou red on th e paper at once. If not clear, the filtrate shall be again poured throu gh the same pap er. Fifty cuhic centimetres of the filtrate shall he taken and the phosphoric acid shall be determined by the molybdate method prescribed below in paragraph (iv)(d). (c) Total Phosphoric Acid A weighed portion of the sample in which portion , if necessary, the organic matter has been destroyed by ignition and the silica removed by appropriate means , shall be dissolved in nitric acid and boiled , the solution being made up to a definite bulk. The phosphonc acid shall be determmedm an aliquot part of the solution by the molybdate method prescribed below in paragraph (iv)(d) . (d) Moiybdate Meth od To the solution, which should preferably contain from 0.1 to 0.2 gram of phosphoric oxide (P,05), obtained as above described in paragraphs (iv)(a) , (b), or (c), one hundred to one hundred and fifty cubic centimetres of molybdic acid solutionprepared as described below, or an excess of such solution, i.e., more than is sufficient to precipitate all the phosphoric oxide present in the solution, shall be added, and the vessel containing the solution shall be placed in a water bath maintained at 70"C., for fifteen minutes, or until the solution has reached 70"C. It shall then be taken out of the bath and allowed to cool, and the solution shall be tiltered, the phospho-molybdate precipitate being washed several times by decantation and finallyon the paper with one per cent nitric acid solution. The filtrate and washings shall be mixed with more molybdic acid solution and allowed to stand for some time in a warm place in order to ascertain that the whole of the phosphoric oxide has been precipitated. LRD.l/2006 UPDATED TO DECEMBER 31ST 2009 MINISTRY OF LEGAL AFFAIRS LAWS OF TJUNlDAD AND TOBAGO www.legalaffairs.gov.tt 24 [Subsld.1ary] Chap. 63:55 Fertilisers and Feeding Stuffs r entusers and Feeding StuffsRegulations The phospho-molybdate precipitate shall be disso lved in cold two per cent ammonia solution, prepared as described below, and about one hun dred cubic centimetres of the ammonia solution sha ll be used for the solution and washings. Fifteen to twenty cubic centimetres of magnesia mixt ure prepared as described below, or an exces s of such m ix ture, i.e ., Ul DIe than sufficient to prec ipitate all the phosphoric oxide present , shall then be added drop by drop, with constant stirring. After standing at least two hours with occasional stirring the pre cipitate shall be filtered off, washed with two per cent ammonia solution, dried, and finally weighed as magnesium pyrophosphate. The filtrate and washings shall be tested by the addition of more magnesia mixture. (e) Preparation ofMolybdic acid solution The molybdic acid solution shall be prepared as follows: One hundred and twenty-five grams of molybdic acid and one hundred cubic centimetres of water shall be placed in a litre flask, and the molybdic acid shall be dissolved by the addition. whil e the flask is shaken, of three hundred cubic centimetres of eight per cent ammonia sol ut ion , prepared ns des cribed hel ow. Fou r h un dr ed grams of ammon ium nitrate shall be added, the solution shall h e mad e lip to t he mark with wnter, and the whole added to one litre of nitric acid (Sp. Gr. 1.19). The solution shall be maintained at about 35"C. for twenty-four hours and then filtered. UPDATED TO DECEMBER 31ST 2009 LAWS OF TJUNlDAD AND TOBAGO MINISTRY OF LEGAL AFFAIRS Fertilisers and Feeding Stuffs Fertilisers and Feeding StuffsRegulauons www.legalaffairs.gov.tt Chap. 63:55 25 [Subsld.1ary] (f) Preparation ofMagnesia mixture The magnesia mixture shall be prepared a, follows: One hundred and ten grams of crystallised magnesium chloride and one hundred and forty grams of ammonium chloride shall be dissolved in one thousandthreehundred cubic centimetres of water. This solution shall be mixed with seven hund red cubic centimetres of eight per cent ammonia solution, and the whole shall be allowed to stand for not less than three days and shall be then filtered. (g) Preparation ofthe Ammonia solutions The eight per cent ammonia solution shall be prepared as follows: One volume of ammonia solution of Sp. Gr. 0.880 shall be mixed with three volumes of water, This solution shall then be adjusted by the addition thereto of more strong ammonia solution or water as required until the specific gravity of the solution is 0.967. The two per cent ammonia solution shall be prepared as follow s: One volume of eight per cent ammonia solution shall be mixed with three volumes of water. (v} Determination of Potash (a) Muriate of Potash free f rom Sulphate s A weighed portion of the sample (about five grams in the case of concentrated muriate of potash or ten grams in the case of low-grade muriate) shall be dissolved in water, the solution shall be filtered if necessary and made up TO five hu ndred cubic centimetres. To fifty cu b ic centimetres of the solution, placed in a porcelain basin, a few drops of hydrochloric acid shall be added, and also ten cubic centimetres or twenty LR D . l /2006 UPDATED TO DECEMBER 31ST 2009 MINISTRY OF LEGAL AFFAIRS LAWS OF TJUNlDAD AND TOBAGO www.legalaffairs.gov.tt 26 [Subsld.1ary] Chap. 63:55 Fertilisers and Feeding Stuffs rentusers and Feeding StuffsRegulations cubic centimetres (according to whether the portion weighed was five grmns or ten grams) of a solution of platinum chloride containing ten grams of platinum per one hundred cubic centimetres. After e vaporation to a syrupy consistency on a water-bath, the contents of the basin shall be allowed to cool and shall then be treated with alcohol of specific gravity 0.864, being washed by decantation until the alcohol is colourless. The washings shall be passed through a weighed or counterpoised filler paper, on which the precipitate shall be finall y collected, washed with alcohol as above, dried at roo-c. and weighed. The precipitate is to be regarded as K,PtC\o. (h ) Salts of Potash containing Sulphates A weighed portion of the sample (about five grams in the case of concen trated sulphate of potash or ten grams in the case of kainit or other low-grade salts) shall be boiled with twenty cubic centimetres of hydrochloric acid and three hundred cubic centimetres of water in a half-litre flask. Barium chloride solution shall be cautiously added, drop by drop, to the boiling solution until the sulphuric acid is completely precipitated. Any slight excess of barium shall be removed by the addition of the least possible excess of dilute sulphuri c ac id . The liqu id (wi thout filtra tion) shal l be cooled and made up to five hundred cubic centimetres. A portion shall then be filtered, and fift y c uh ir: ~~nlim~lr~, of the f iltra te sha ll h~ treated a s in paragraph (v)(a), ten cubic cen timetres or twenty cubic centimetres of platinum chloride solution, as the case may be, being used. UPDATED TO DECEMBER 31ST 2009 LAWS OF TJUNlDAD AND TOBAGO MINISTRY OF LEGAL AFFAIRS Fertilisers and Feeding Stuffs Fertilisers and Feeding StuffsRegulauons www.legalaffairs.gov.tt Chap. 63:55 27 [Subsld.1ary] (c) Potash in Guanos, and mixed Fertilisers Ten grams of the sample shall be gently ignited in order to char organic matter, if present, and shall then be heated for ten minutes with ten cubic centimetres of concentrated hydrochloric acid, and finally boiled with three hundred cubic centimetres of water. The liquid shall be filtered int o a half-li tre fla sk, raise d to the boiling poi nt, and a slight excess of powdered barium hydrate shall be added. The contents of the flask shall be cooled, made up to five hundred cubic centimetres and filtered. Of the filtrate two hundred and fifty cubic centimetres shall be treated with ammonia solution and excess of ammonium carbonate, and then, while boiling, with a little powdered ammonium oxalate, cooled, made up to five hundred cubic centimetres and filtered. Of the filtrate, one hundred cubic centimetres are to be evaporated in a platinum dish, and the residue hea ted, first in the air-bath and then very gently over a low flame , till all ammonium salts are expelled, the temperature being carefully kept below that of low redness. The residue shall be treated with hot water, filtered if necessary, and the potash sh all be de t ermi ne d III the fJl trate as III parag raph (v)(a ). 11. The methods of analysis of a feeding stuff for the purposes MeT110ds of analysis of of the Act shall be as follows : feeding <tuff. (i) Prep aration of the Sample (a) If the sample is already in a fine condition , e.g., a meal, it shall be thoroughly mixed , and a portion for the determination of the moist li re shall be at once taken. LR D . l /2006 UPDATED TO DECEMBER 31ST 2009 MINISTRY OF LEGAL AFFAIRS LAWS OF TJUNlDAD AND TOBAGO www. legalaffairs.gov.tt 28 Chap. 63:55 Fertilisers and Feeding Stuffs [Subsld.1ary] Fertilisers and Feeding StuffsRegulations (b) If the sample is not in a fine condition, e.g. , a cake, it shall be carefully pulveri sed until the whole passes through a sieve with perforations from two to three millimetres in diameter. It shall then be tho rou ghly mixed, and a portion for the determination of the moisture shall be at once taken. (c) From the sample thus prepared, a portion not less than one hundred grams in weight shall be taken and furt her powdered if necessary and passed through a sieve w ith perforations of ab o ut one millimetre in diameter. (d ) If the original sample is app rec iably damp, or if for an y reason the operations of p ulvcrisation and mixing are likely to result in loss or gain of moisture, the moisture shall be determined in this portion, as well as in the sample prepared as in paragraph (i)(b) , in order that the results of the analysis may be corrected to correspond wit h th e samp le in it s original condition as regards moisture. (e) Materi als which cannot be conveniently pulverised or passed through a sieve shall be th oro ughly mixed and sam pled by th e most suitable means . (r) The prepared portion of the sample shall be placed in a stoppered bottle and from it the portions for analy sis shall be weighed. (ii) Determination of Moisture -(Loss on Drying) A weighed quantity of the sample shall be dried at lOone. (iii) Determination of Oil (a ) A weighed quantity of the sample shall be placed in a Soxhlet thimble, which shall then be placed in the Soxhlet extraction tube and extracted with UPDATED TO DECEMBER 31ST 2009 LAWS OF TJUNlDAD AND TOBAGO MINISTRY OF LEGAL AFFAIRS Fertilisers and Feeding Stuffs Fertilisers and Feeding StuffsRegulauons www.legalaffairs.gov.tt Chap. 63:55 29 [Subsld.1ary] washed, re-distilled ether. At the end of three to four hours the thimble shall be removed from the Soxhlet tube , dried , and its contents finely ground in a small mortar previously rinsed with ether. The substance shall th en be return ed to th e thimble, the mortar bein g washed out with ether, and the extrac tion continued for another hour. After evaporation of the solvent the oil shall be dried at IOO"C. and weighed. The oil shall be re dissolv ed in ether and any undissolved matter shall he weighed anr] dedll~ted (h) In the case of samples containing saccharine matter, e.g., sugar meals , the weighted portion in the Soxhlet thimble shall be washed twice with water, and then dried, previous to the extraction . (iv) Determination of AIbuminoids The percentage of albuminoids shall be ascertained by multiplying the percentage of nitrogen by 6.25. The determination of nitrogen shall be as follows: A weighed portion of the sample shall be transferred to a Kje1dahldigestion flask; ten grams of potassium sulphate and twenty-five cubic centimetres of concentrated sulphuric acid shall be added, and the flask heated until a clear liquid, colourless or of light straw colour is obtained. The operation may be "~~ele""ted hy the nrldit inn nf n small ~ry 't" 1 of copper sulphate or a globule of mercury to the liquid in the digestion flask. The quantityof ammonia shallbe determined by distillation into standard acid after liberation with alkali, and,where mercury has been used, with the addition also of sodium or potassium sulphide solution. LRD.l/2006 UPDATED TO DECEMBER 31ST 2009 MINISTRY OF LEGAL AFFAIRS LAWS OF TJUNlDAD AND TOBAGO www. legalaffairs.gov.tt 30 [Subsld.1ary] Chap. 63:55 Fertilisers and Feeding Stuffs rentusers and Feeding StuffsRegulations The materials used shall be examined as to their freedom from nitrogen by means of a control experiment carried out under similar conditions with the same quantities of the reagents which have been employed in the actual analysis , one gram of pure sugar being used in place of the weighed portion of the sample. The quantity of standard acid used in this control experiment shall be deducted from the total qua nt it y of "~ io fo unrl to h a v e h e en neutralised in the distillation of the sample. Use of }JJc:'>"-JiLJcLl weights . Limits of error. Forms D and E. Schedule. 12. In calculating the results of analyses the atomic weights adopted by the International Committee on Atomic Weights shall be employed. 13. For the purposes of section 5 of the Act , concerning the effect, as a warranty, of the statements made in the invoice of a fertiliser or of a feeding stuff (as above defined) respecting the percentages of nitrogen, phosphates, and potash contained in the fert iliser, or of oil and albuminoids contained in the feeding stuff, the limits of error shall be set forth in Forms D and E of the Schedu le. UPDATED TO DECEMBER 31ST 2009 LAWS OF TJUNlDAD AND TOBAGO MINISTRY OF LEGAL AFFAIRS Fertilisers and Feeding Stuffs www. legalaffairs.gov.tt Chap. 63:55 31 Fertilisers and Feeding StuffsRegulauons [Subsld.1ary] SCHEDULE Reg ulation 3. FORM A CERTIFICATE FOR FERTILISER T, the und cmigncd , Annlysr, in punlUuncc of the provisions of the Pcrriliscrs and Feeding Stuffs Act, hereby certify that I received all the day of 20.. . from (a) two parts of a sample of (h) for analysis: which parts were duly sealed and fastened up and marked (c) , and were accompanied by the annexed (d) (copy of an) invoice. and also by the annexed (d) circular and advertisement. and that at the request of (e) , I have analysed one of the said parts and declare the resu lt of my analysis to be as follows: Iv" ('pn t { Soluble Insoluble I am of opinion that the said part contained the followin g percenta ges : (!) N it rngp n (8) Phosphates (h) Potash 0) The analysis was made in accordance with the methods of analysis prescribed in the Regulations. As witness my hand this day of , 20 .. [Name ofAnalyst] Analyst at ron-of-Spain (a) Here insert the name of the person deliverin g the samp le, and if so "by post" . (h) Here insert the name of the article as stated on the invoice. (c) Here insert the distinguishin g mark on the samp le. (d) The invoice or copy invoice, and any circular or advertisement given to the Analyst will be initia lled by the Analyst for purposes of identifi cation and annexed to this Certificate. (e) Here insert name of the person requestin g the analysis . (f) The Analyst may, in his discretion, add a statement of the amount of ammonia to which the amoun t of nitrogen stated in the certificate is equivalent. (g) The phosphates in both cnsca to be given in terms of tribnaic phoapbntc of lime and in accordan ce with the defini tion s of "soluble" and "in soluble" contained in section 2 of the Act. (h) The potash to be given in terms of potassium oxide, Kp. (I) Here SlaLe (i l The percentages of chemical and other ingredients present, when any state ment of such percentages is contained in the invoice, or in any accompanying circular or advertisement descriptive of the article . (uj In what respect, It any, the tnvruce or the descnpnon ot the article contained in any such circular or advertisement, is false in any material par ticu lar to the prejudice of the pur chaser. LRD.l/2006 UPDATED TO DECEMBER 31ST 2009 MINISTRY OF LEGAL AFFAIRS LAWS OF TJUNlDAD AND TOBAGO www. legalaffairs.gov.tt 32 [Su b sld.1ar y] Reg ulation 3. Chap. 63:55 Fertilisers and Feeding Stuffs rentusers and Feeding StuffsRegulations FORM B per cen t CE RTIFICAT E F·OR FEEDING STUFF T, the unders igned , Analyst, in pursuance of the pro visions of the Fert ilisers and Feeding Stuffs Act , hereb y certif y that I received on the day of 20 .. Irum (a j rwu pans uf a xarnple uf (1)) fur analysis, which pans were uuty seateu arul fastened up and marked (c) and were accompanied by the annexed (d) (copy of an) invoice. and also by the annexed (d ) circular and advertisement, and thata t the request off e) . I have analysed one of the said parts and declare the result of my analysis to be as follows: I am of opin ion that the said part contained the fo llowing per centa ges: Oil (f) Albuminoids (x) and that (h) The analysis was made in accordance with the methods of analysis prescribed in the Regulations. As witness my hand this day of , 20 .. {Name ()/ Analyst} Analyst at ron-of-Spain (a) Here insert the name of the person deli vering the sampl e, and if so "b y post". (b) Here insert the name of the article as stated on the invoice . (c) Here insert the distin guishin g mark on the sample. (d) The invoice or copy invoice, and any circular or advertisement given to the Analyst, will be tntnaueu by me Analy st to r purpo ses of tdennncanon and annexed TO T111s Ce rnnc are. (e) Here insert name of the person requesting the analysis. fj) The pen.:entage of albuminoid» is to be taken as the percentage of nitrogen multiplied by 6.25. (g) The per centages of nutritive and other ingredients present , whe n any statemen t of such percentages is contained in the invoice, or in any accompanying circular or advertisement descriptive of the articl e . (h) Here state, as the case may be (i ) Whether the composition of the article agree s with the statements contained in the invoice, and with the name or des cription under which the article is sold, so far as t he nnme implies that it is prepared from one particular nubntnnce or need only, or from two or more parti cular substances or seeds on ly: and , if not, in wha t respe ct. (ii) In what resp ect, if any, the invoice or des cription of the article contained in any such circular or advertisement, is false in any material particular to the prejudice of the purcha ser . (iii) Whe ther the article is suitable for feeding purposes for cattle (as defined by the Act ), or fo r pou ltry, as the case may be : and if not, in what respect. (iv) Wh ether the article contains any ingre dient deleter ious to catt le (as defi ned by the Act) , or to poultry, as the case may be, or any ingredient worthless forfeeding purpnses and not disclosed in the:Invoice : and. if sn. wbetb er. in eitb er case. to an exten t materially prejudicial to the pur chaser. (v) Where sep arate samp les are ta ke n of the port ion of a feeding stuff which is mou ldy, sour, or otherwise unsuitable for fee ding purposes, and also of rhe residue of the feeding stuff, state the estimated proportion of the unsuitable feeding stuff ill the l.:eJtifl cute re hulng tu Llle unsuitaule }llIJtiuu. UPDATED TO DECEMBER 31ST 2009 LAWS OF TJUNlDAD AND TOBAGO MINISTRY OF LEGAL AFFAIRS Fertilisers and Feeding Stuffs Fertilisers and Feeding StuffsRegulauons www.legalaffairs.gov.tt Chap. 63:55 33 [Subsld.1ary] FORM C AI'I'OINTMENT Ill' PUR CHASER OF AGENT FOR TIlE PURPOSES OF THE FERTILISERS AND FEEDING STUFFS ACT I, A.B., of hereby appoint C.D. of , or the Secretary for the time being of the Association (or as the case may be) to do on my behalf all things necessary for the purp ose of obta ining an analysis under the Fert ilisers and Feeding Stuffs Act, of the fertiliser or feeding stuff bought by me under an invoice a copy of which is annexed Signature FORM D FERTILISERS Nntt" ln thi" ." r-hf"rt" I<" th...fiel lte", re-I:1t ine tn limitx nf H,TTI1t t"'Jl 1'F'~ nt p,· t rt>n1}le"''' nf tbe whn l...hl111.: Example of Appli cation of Schedule-E.g.. in the case of a Bone Compound , if the per centages stated in the inv oice are, soluble phosp hates, 20 : insoluble phosp hates, 8: nltrogen. T: then the warranty implied under section SCI) of the Act will be that the fertiliser contains: soluble phosphates. 19 to 21 per cent : insolu ble phosphates, 7 to 9 per ce nt: nitro gen , 0.7 to l J per cent . Limits of Error Description of Fert iliser Soluble Insoluble Phos- Phos- Nitrogen Potash phnrea phnrea I. Superphosphate I - - 2. Di ssolved Bon es (Vitriolised or Vitriolated l made fro m Raw Bones and Acid only - I - - (l) 'When the total of the percentages of P hosp hates (solu ble and insoluble) stated in the invoi ce amounts to thirty two or more, then (a) If t he excess of the actua l percen tage of i n s o Iub le Phosphates over that stated in the invoice is th ree or more 4 - OJ (h) If such excess is not less than two, but is less than th ree J - OJ (l) If :'>W.Jl CA"C:'>:'> i:,> Hu t Ie :,>:,> th.m one, but is less than two 2 - OJ (II) In all other cases I I OJ 3. Bone Compounds . . I I 0.3 4 . Comp ound M an ure s (other th an Bone Compou nds, but Including Dissol ved or Equalised Guanoj -, (a) If th e respe ct ive pe rcen tage s of Nitrogen and Po tash stated in t he invoi ce do not exceed four .. I I OJ OJ (b) If such respective per centa ges excee d four I I 0.5 0.5 UPDATED TO DECEMBER 31ST 2009 Reg ulation 6. Regulation 13. LRD. l /2006 MINISTRY OF LEGAL AFFAIRS LAWS OF TJUNlDAD AND TOBAGO www.legalaffairs.gov.tt 34 [Subsld.1ary] Chap. 63:55 Fertilisers and Feeding Stuffs rentusers and Feeding StuffsRegulations Limits of Error Des cription of Fe rtiliser Soluble Insoluble Phos- Phos- Nitrogen Potash phates phates 5. Sulphate of Ammonia - - 0.5 6. Nitrate of Soda - - 0.5 7. Ground Hooves and Horns - - 0.5 8. Dried Blood - - 0.5 9. Pish Guano and Meat Meal - 2 0.5 10. All Cakes and Meals (other than Bone or Meat Meal) - - 0.5 II. Ground Bones and Bone Meal - 2 0.5 12. Basic Slag and Basic Superphosphate "2 2 - 13. Snoddy, Wool, and Hair WaSTe - - I 14. Kainit and other Potash Salts (a) Where the per centage of po tash state d in the invoice does not ex ceed fifteen - - - I (/») Where suchpercentage exceeds fifteen - - - 2 15. Nitrate of Potash - - 0.5 2 16. Per uvi an and othe r natural Imported Guanos (a) Where the percentage of insoluble Phosphate stated inthe invoice does not exceed thirty . - 3 - 0.5 (b) Where su ch percentage of insol uble Phosphate exceeds thirty.. - 5 - 0.5 (c) Where the percentage of Ni trogen stated in the invoice do es not exceed three - - 0.5 0.5 (d) Where such percentage of Nitrogen exceeds three and does not exceed five - - 0.75 0.5 (c) W here such per centag e of Nitrogen exceeds five - - I 0 .3 "That is soluble in solution of Citric Acid of the prescribed strength. UPDATED TO DECEMBER 31ST 2009 LAWS OF TJUNlDAD AND TOBAGO MINISTRY OF LEGAL AFFAIRS Fertilisers and Feeding Stuffs Fertilisers and Feeding StuffsRegulauons FORM E FEEDING STUFFS www.legalaffairs.gov.tt Chap. 63:55 35 [Subsld.1ary] Regulation 13. Note - In this Schedule the percentage of albuminoids is to be taken as the percentage of nitrogen multipli ed by 6.25. Example ot Appucanon ot Scbedute c- B.g.. In the case at a linseed cake, It the percentages stated in the invoice are, oil, 10: albuminoids, 30 : then the warranty implied under section 5(2) of the Act will be that the linseed cake contains: oil, 8.75 to 11.25 per cent: albuminoids, 26.25 or 33.75 per cent. Description of Feeding Stuff Decorticated Cotton Cake or Meal Undecorricated Cotton Cake or Meal Earth Nut or Ground Nut Cake or Meal Palm Kernel or Palm Nut Cake or Meal Coconut Cake or Meal Niger Seed Cake or Meal Sesame Seed Cake or Meal Sunflower Seed Cake or Meal . Hemp Seed Cake or Meal Kurdee or Snffl ower C uke or M enl Compound Cakes and Meals Linseed Cake or Meal Rape Cake or Meal. Mai7'P Prndll r t\: All other feeding stuffs (as above defined in regulation 2) not otherwise specified in this Schedule Limits of Error One-tenth of the percentaae of oil and one tenth of the percentage of albuminoid» stated in the invoice One-eighth of the percentage of oil and one eighth of the percenta ge of albuminoid» stated in the invoice One-fifth of the percentage of oil and one fif th of the percentage of albuminoid» stated in the invoice. LRD. l /2006 UPDATED TO DECEMBER 31ST 2009