TECHNICAL SPECIFICATION No. 4 PRILLED UREA

Transcription

1 F TECHNICAL SPECIFICATION No. 4 PRILLED UREA Urea is a mono-constituent organic substance. It contains impurities like water, biuret and conditioning agents. 1. Identification and classification Name: Urea Chemical formula: NH 2 -CO-NH 2 ECHA Registration Number: CAS Number: EC Number: Molecular mass: According to Directive 67/548/EEC and to Regulation (EC) 1272/2008, urea is not classified as a dangerous substance. 2. Technical quality conditions No. Characteristics Standard/Testing method 1. Appearance Visual White or yellowishwhite granules Technical requirements Type A Type B White or yellowishwhite granules 2. Total Nitrogen, % SR EN 15478: Biuret, % max. SR EN 15479: STAS Water content, % max. SR EN : Granulometry: mm, % min. < 1 mm, % max. SR ISO :1998 STAS Alkalinity, NH 3 % max. SR ISO 1593: Treated with anti-caking agent and formaldehyde STAS UV lamp visualization Spectrophotometric method present present Observations: at the client s request, additional tests can be performed or other requirements may be established. The results from the sections 2 and 6 are guaranteed by the producer and the determinations are performed upon request. Date of issue: Edition: 8 Revision: 0 Page: 1 / 3

2 3. Testing methods Appearance: visual Total Nitrogen: according to SR EN 15478:2009. The Nitrogen from the urea is mineralised in the presence of concentrated sulphuric acid; ammonia is distilled in an alkaline environment, and it is absorbed in an excess solution of sulphuric acid; the excess of sulphuric acid is titrated. Biuret: according to STAS and SR EN 15479:2009. A red-purple complex is formed between biuret and the divalent copper ion, in an alkaline environment, in the presence of a potassium sodium tartrate solution; the coloured complex is photometrically measured at a wavelength of 546 nm. Water content determination: according to SR EN :2002, Karl Fischer method. It is a testing method for specific determination of the water contained in fertilizers, through titration with Karl Fischer reagent, using methanol as a medium for water extraction. Granulometry (determination of particle size): according to STAS , section 4.6, mechanical sieving on sieves with mesh size of 1 and 3.15 mm and to SR ISO :1998. Alkalinity: is determined according to SR ISO 1593:1999 (standard cancelled) and STAS section 4.8., by dissolving 50 g of urea in 200 cm 3 of water and 0.01N HCl titration in the presence of a mixed indicator solution (Methyl Red Methylene Blue). Formaldehyde: the determination is based on compounding the formaldehyde in a strong acid environment with chromotropic acid and measuring the absorbency of the pink-purple compound at a wavelength of 570 nm. Anti-caking agent: it is visually determined in UV light device at a wavelength of 366 nm. 4. Quality control Quality control is performed on batches of approximately 300 tons. Each delivery is accompanied by the Conformity Statement. At the client s request, the product is accompanied by a Test Report, and, when expressly requested, by an estimative calculation of the extended incertitude of the test result. 5. Packaging The product is packed in 50 kg and 500 kg polyethylene bags or double bags (polyethylene and polypropylene). It may also be delivered in bulk. Polyethylene bags are closed by welding, and the polypropylene bags are closed by sewing. The marking on the bags is in accordance with the current regulations. Name of the product: Prilled Urea Declared content for each nutrient: NITROGEN N 46%, expressed as mass percentages in the form of a whole number The nutrients have to be declared both in words and chemical symbols, e.g. Nitrogen (N) The maximum biuret content is mandatory to be declared as: Biuret max. 1.2% Net weight of the fertilizer Name and brand of the producer Name, commercial name or brand and address of the person responsible for trading the product, with headquarters in Romania or in the European Community. The marking on the bags and the accompanying documents have to be provided in at least one official EU member states language. Packed chemical products are identified through the information written on labels or on the package. The identification data for the products delivered in bulk or in packages that exceed 100 kg is mentioned on the accompanying documents. Date of issue: Edition: 8 Revision: 0 Page: 2 / 3

3 6. Tolerances Producers are not allowed to systematically use the advantage of tolerances. According to Regulation (EC) No. 2003/2003, Annex II, the tolerances are negative values in mass percentage. Nitrogen in urea - 0.4% 7. Handling, storage, transportation, guarantees Storage and transportation is performed in piles of maximum 20 rows for the 50 kg bags and in 3 rows for the 500 kg bags, in closed, clean and dry storehouses and the means of transport have to be clean, dry and with waterproof covers, free of sharp objects that might deteriorate the bags (by cutting or ripping). The goods will be protected against direct exposure to sunrays. Both transportation and storage require temperatures between -10 and +30 C. The product can also be transported in bulk, in open wagons, covered with a waterproof cover, or in wagons with opening metallic roofs or special road tankers. For the transport, the product is not classified under ADR, RID or IMDG. Given the above-mentioned conditions, the term of validity form the production date is 12 months. 8. Security measures The product is non-flammable and non-explosive. The use of individual protection equipment is recommended: protective gloves and, when necessary, dust mask. In order to avoid the effects on the skin, washing is mandatory after handling the product. In case of incidents/accidents, immediately notify the local Inspectorate for Emergency Situations. Further details in the product s Safety Data Sheet. Urea Plant Manager Head of the Testing Laboratory Technical Manager Ing.Cristian HERBETH Ing. Bratu PODINĂ Ing. Aurel BOTEZAN Date of issue: Edition: 8 Revision: 0 Page: 3 / 3

4 F TECHNICAL SPECIFICATION No. 9 PRILLED TECHNICAL UREA Urea is an organic mono-constituent substance. It contains impurities like biuret. 1. Identification and classification Name: Urea Chemical formula: NH 2 -CO-NH 2 ECHA Registration Number: CAS Number: EC Number: Molecular mass: According to Directive 67/548/EEC and to Regulation (EC) 1272/2008, urea is not classified as a dangerous substance. 2. Technical quality conditions No. Characteristics Standard/Testing Technical requirements method Type A Type B 1. Appearance Visual White or yellowish-white granules 2. Total Nitrogen, % SR EN 15478: Biuret, % max. SR EN 15479: Water content, % max. SR EN : Substances insoluble in water, STAS % max. 6. Iron, % max. SR ISO/R 1595/ Alkalinity, NH 3 % max. SR ISO 1593: STAS Granulometry: mm, % min. - under 1, % max. SR ISO :1998 STAS Formaldehyde Spectrophotometric not present not present method 10. Anti-caking agent Visual quality not present not present Observations: at the client s request, additional tests can be performed or other requirements may be established. The results from the sections 3, 6,7,8,10 are guaranteed by the producer and the determinations are performed upon request. Date of issue: Edition: 9 Revision: 0 Page: 1 / 3

5 3. Testing methods Appearance, colour: visual Total Nitrogen: according to SR EN 15478:2009. The Nitrogen from the urea is mineralised in the presence of concentrated sulphuric acid; ammonia is distilled in an alkaline environment, and it is absorbed in an excess solution of sulphuric acid; the excess of sulphuric acid is titrated. Biuret: according to SR EN 15479:2009. A red-purple complex is formed between biuret and the divalent copper ion, in an alkaline environment, in the presence of a potassium sodium tartrate solution; the coloured complex is photometrically measured at a wavelength of 546 nm. Content of substances insoluble in water: gravimetrically determined according to STAS , section g of urea are dissolved in 200 cm 3 of water, filtered through a G4 filter crucible and then brought to constant mass at 105 C ± 20 C. Water content determination: according to SR EN :2002, Karl Fischer method. It is a testing method for specific determination of the water contained in fertilizers, through titration with Karl Fischer reagent, using methanol as a medium for water extraction. Iron: according to SR ISO/R 1595/1999 (standard cancelled), iron is determined through complexation with 2,2 dipyridyl at ph; beforehand, iron is reduced with hydroxylamine chlorhydrate. The coloured complex is photometrically measured at a wavelength of 522 nm. Alkalinity: is determined according to SR ISO 1593:1999 (standard cancelled) and STAS section 4.8, by dissolving 50 g of urea in 200 cm 3 of water and 0.01N HCl titration in the presence of a mixed indicator solution (Methyl Red Methylene Blue). Granulometry (determination of particle size): according to STAS 8495/1989, section 4.6, and to SR ISO : mechanical sieving on sieves with mesh size of 1 and 3.15 mm. Formaldehyde: the determination is based on compounding the formaldehyde in a strong acid environment with chromotropic acid and measuring the absorbency of the pink-purple compound at a wavelength of 570 nm. Anti-caking agent: it is visually determined in UV light at a wavelength of 365 nm. Borden test: 16 g of urea are dissolved in 80 ml of distilled water; after approx. 10 minutes of stirring, 2 ml of formaldehyde solution 20% is added; after approx. 10 minutes a ph-meter is used for reading at a t=20 C. 4. Quality control Quality control is performed on batches of approximately 300 tons. Each delivery is accompanied by the Conformity Statement. At the client s request, the product is accompanied by a Test Report, and, when expressly requested, by an estimative calculation of the extended incertitude of the test result. 5. Packaging The product is packed in 50 kg and 500 kg polyethylene bags or double bags (polyethylene and polypropylene), or it can be delivered in bulk. Polyethylene bags are closed by welding, and the polypropylene bags are closed by sewing. The marking on the bags is in accordance with the current regulations. Name of the product: Prilled Technical Urea Declared content for each nutrient: NITROGEN N 46%, expressed as mass percentages in the form of a whole number. The nutrients have to be declared both in words and chemical symbols, e.g. Nitrogen (N) The maximum biuret content is mandatory to be declared as: Biuret max. 1.0% Date of issue: Edition: 9 Revision: 0 Page: 2 / 3

6 Net weight of the fertilizer. Name and brand of the producer. Name, commercial name or brand and address of the person responsible for trading the product, with headquarters in Romania or in the European Community. The marking on the bags and the accompanying documents have to be provided in at least one official EU member states language. Packed chemical products are identified through the information written on labels or on the package. The identification data for the products delivered in bulk or in packages that exceed 100 kg is mentioned on the accompanying documents. 6. Tolerances Producers are not allowed to systematically use the advantage of tolerances. According to Regulation (EC) No. 2003/2003, Annex II, the tolerances are negative values in mass percentage. Nitrogen in urea - 0.4% 7. Handling, storage, transportation, guarantees Storage and transportation is performed in piles of maximum 20 rows for the 50 kg bags and in 3 rows for the 500 kg bags, in closed, clean and dry storehouses and the means of transport have to be clean, dry and with waterproof covers, free of sharp objects that might deteriorate the bags (by cutting or ripping). The goods will be protected against direct exposure to sunrays. Both transportation and storage require temperatures between -10 and +30 C. The product can also be transported in bulk, in open wagons, covered with a waterproof cover, or in wagons with opening metallic roofs or special road tankers. For the transport, the product is not classified under ADR, RID or IMDG. Given the above-mentioned conditions, the term of validity form the production date is 12 months. 8. Security measures The product is non-flammable and non-explosive. The use of individual protection equipment is recommended: protective gloves and, when necessary, dust mask. In order to avoid the effects on the skin, washing is mandatory after handling the product. In case of incidents/accidents, immediately notify the local Inspectorate for Emergency Situations. Further details in the product s Safety Data Sheet. Urea Plant Manager Head of Testing Laboratory Technical Manager Ing. Cristian HERBETH Ing. Bratu PODINĂ Ing. Aurel BOTEZAN Date of issue: Edition: 9 Revision: 0 Page: 3 / 3

7 Str. Gheorghe Doja 300, TÎRGU MUREŞ , ROMÂNIA Tel: / Fax: ; ; office@azomures.com F TECHNICAL SPECIFICATIONS No. 21 UREA SOLUTION 40% Urea is an inorganic monoconstituent substance. It contains as impurities water and biuret. 1. Identification and classification Name: urea Chemical formula: NH 2 -CO-NH 2 ECHA registration number: CAS number: EC number: Molecular mass: 60,0553 Urea is not classified as dangerous substance according to Directive 67/548/EEC and EC Regulation no. 1272/ Technical quality conditions No. Characteristics Standard/Testing method Technical requirements 1. Aspect visually Clear liquid, Colourless or slightly yellow 2. Concentration, urea % EC Regulation no. 2003/ method Alkalinity, max. % STAS ,2 4. Density la t=15 0 C, g/cm 3 SR EN ISO 12185:2002 1,1-1,13 5. ph, units, max. STAS 8619/3-90 9,5 6. Crystallization point, C STAS Note: at the client s request additional tests may be performed, or other requirements may be established. The tests number 3, 5, 6 are carried out at the client s request, but the manufacturer guarantees the values specified in the technical specification. 3. Testing methods Aspect: visually Concentration: urea content in urea solution is determined by physical analysis method: is determined the solution density at a temperature of 15 C, according to SR EN ISO 12185:2002 and using density concentration table, is determined the urea content in %. By calculation is determined the concentration expressed in % N. The chemical analysis method is used to confirm the results as follows: nitrogen from urea according to EC Regulation 2003/2003, method It is determined gravimetrically with xanthydrol. Xanthydrol forms a precipitate with urea; co-precipitated C.I.F. RO Cont: RO56RNCB C.P. 222 Capital social subscris: ,30 lei Banca: B.C.R. Tîrgu Mureş O.P. nr. 2 Capital social vărsat: ,30 lei J26/1/1991 Tîrgu Mureş

8 F biuret is considered as nitrogen from urea. The error is small, its concentration in absolute value, in compound fertilizers is usually low. The result is expressed in % urea and % N. Alkalinity: is determined according to SR ISO 1593:1999. Free alkalinity is given by the free ammonia in the product. The testing procedure is based on determining free ammonia by neutralisation with acid, using mixed indicator solution. Density at a temperature of 15 C is determined in vacuum according to SR EN ISO 12185:2002 using an electronic densimeter. ph is determined according to STAS 8619/3-90, using a laboratory ph-meter. Freezing point is determined according to STAS , section The sample is introduced in a test tube, which is introduced in another vessel filled with alcohol, and it is then immersed in a cooling mixture at -30 C. The temperature that indicates a constant value is read on the alcohol thermometer introduced in the test tube. 4. Quality inspection Quality inspection is done on batches of approximately 20 tons, during production execution and when loading in cisterns to delivery. Delivery batches are done and analysed countersamples are kept at the provider. Each delivery is accompanied by the conformity statement. At the client s request, the product is accompanied by a test report. 5. Packaging The products is loaded in stainless steel or plastic recipients, resistant to corrosion, in auto or CFR cisterns. The accompanying documents must be edited in at least one official language of the European Union (for export). Identification data for the product delivered in bulk or in packages that exceed 100 kg is mentioned in the accompanying documents: Product name: Urea solution 40%. Declared content for each nutrient: NITROGEN N 18,6% expressed in mass percentage. The nutrients must be declared in words as well as in chemical symbols. For example Nitrogen (N). Net mass for the urea solution 40%. Name or trademark and the producer s address. Name, commercial name or trademark and the address of the person responsible for selling the product, established in Romania or in the European Community. 6. Tolerances Producers will not use systematically the advantage of tolerances. According to EU Regulations 2003/2003, annex II, tolerances are negative values in mass percentage. N in urea - 0.4% 7. Handling, storage, transport and guarantees The product is packed and stored in tanks or containers at atmospheric pressure, tightly closed in order to avoid spillage of urea solution. The tanks and containers (including accessories: pipes, flanges, etc.) are made of materials compatible with urea solution: Cr-Ni or Cr-Ni-Mo based stainless steel, or plastic material (polyethylene, polypropylene, isobutylene, and polyfluorethylene). The product must be stored in cool, dry and well ventilated areas. The transportation is done in auto cisterns. Issuing date: Edition: 6 Revision: 0 Page: 2 / 3

9 F The product does not have ADR (European Agreement concerning the International Carriage of Dangerous Goods by Road), RID (European Agreement concerning the International Carriage of Dangerous Goods by Rail) and IMDG (international sea transportation of hazardous substances) classification for transport. If all the above mentioned conditions are met, we guarantee the quality of the product for 6 months from the manufacturing date. 8. Security Measures The product is not flammable or explosive.. It is indicated to use individual protection equipment: protective gloves, eye shield or protective glasses. In order to avoid the effects on the skin, washing is mandatory after handling the product. In case of events/accidents call the local fire brigade. More details in urea safety data sheet. Ammonium Nitrate Plant Testing Laboratory Technical Manager Manager Department Head Ing. Ovidiu CRĂCIUN Ing.Bratu PODINĂ Ing. Ioan ŞOLERIU Issuing date: Edition: 6 Revision: 0 Page: 3 / 3

10 TECHNICAL SPECIFICATIONS No. 25 UREA PRILL 4 KRONOSPAN F Urea is an organic monoconstituent substance. It contains as impurities water, biuret and conditioning agents. 1. Identification and classification Name: urea Chemical formula: NH2-CO-NH2 ECHA registration number: CAS number: EC number: Molecular mass: 60,0553 Urea is not classified as dangerous substance according to Directive 67/548/EEC and EC Regulation no. 1272/ Technical quality conditions No. Characteristics Standard/Testing method Technical requirements 1. Aspect visually White or yellow-white granules 2. Total nitrogen % SR EN 15478: Biuret, max. % SR EN 15479: STAS Water content % max SR EN : Granulation : - between 1 and 3.15 mm, % min. - below 1 SR ISO :1998 STAS mm, max. % 6. Alkalinity NH3 max. % SR ISO 1593: STAS Formalin Spectrophotometric Treated method 8. Borden test, ph units Electrochemical Min 5.5 determination 9. Anti-caking agent UV lamp visualization Optionally treated C.I.F. RO Cont: RO56RNCB C.P. 222 Capital social subscris: ,30 lei Banca: B.C.R. Tîrgu Mure( O.P. nr. 2 Capital social vărsat: ,30 lei J26/1/1991 Tîrgu Mure(

11 F Note: at the client s request additional tests may be performed, or other requirements may be established. The type of anti-caking agent is NOVOFLOW 5040 and it is specified in Test Report. The test results in section 2, 6 are guaranteed by the producer and the determinations are done at request. 3. Testing methods Aspect: visually Total nitrogen: according to SR EN 15478:2009. Nitrogen from urea is mineralised in the presence of concentrated sulphuric acid solution; ammonia is distilled in an alkaline environment, and it is absorbed in an excess solution of sulphuric acid; the excess of sulphuric acid is titrated. Biuret: according to STAS and SR EN 15479:2009. A red-purple complex is formed between the biuret and divalent copper ion, in an alkaline environment, in the presence of a potassium and sodium tartrate solution. The coloured complex is photometrically measured, at a wavelength of 546 nm. Water content determination: according to SR EN :2002, Karl Fischer method. It is a testing method for specific determination of the water contained in fertilizers, through titration with Karl Fischer reagent, using methanol as a medium for water extraction. Granulation (determining particle size): according to STAS , section 4.6 and SR ISO :1998 mechanical sieving on sieves with mesh size of 1 and 3.15 mm. Alkalinity: is determined according to SR ISO 1593:1999 (standard cancelled) and STAS section 4.8., by dissolving 50 g of urea in 200 cm 3 of water and titration with 0.01 n HCl solution in the presence of a mixed indicator (methyl red + methylene blue). Formalin: determination is based on complexing formalin in a strongly acid medium with chromotropic acid and measuring the absorbancy of the pink-purple complex at a wavelength of 570 nm Anti-caking agent: is visually determined in UV light at a wavelength of 365 nm. Borden test: 16 g of urea is dissolved in 80 ml distilled water, after 10 min of stirring, it is added 2 ml formaldehyde solution 20%, after about 10 min it is read at ph-meter at t=20 C. 4. Quality inspection Quality inspection is done on batches of approximately 300 tons. Each delivery is accompanied by the conformity statement. At the client s request, the product is accompanied by a test report. 5. Packaging The product is delivered in bulk. Identification data for the product delivered in bulk is mentioned in the accompanying documents. 6. Tolerances Producers will not systematically use the advantage of tolerances. According to EU Regulation no. 2003/2003 Annex II; tolerances are negative values in mass percentage. Nitrogen in Urea - 0.4% Issuing date: Edition: 2 Revision: 0 Page: 2 / 3

12 F Handling, storage, transport and guarantees Storage is done in closed, clean and dry storehouses, and the transport means will be clean and dry. The goods will be protected against direct exposure to sunrays. Transport as well as storage is done at temperatures between -10 and +30 C. The transport is done in bulk, in metallic TADS wagons or similar, in special road tankers. The product does not have ADR (European Agreement concerning the International Carriage of Dangerous Goods by Road), RID (European Agreement concerning the International Carriage of Dangerous Goods by Rail) and IMDG (international sea transportation of hazardous substances) classification for transport. If all the above mentioned conditions are met, we guarantee the quality of the product for 12 months from the manufacturing date. 8. Security Measures The product is not flammable or explosive. It is indicated to use individual protection equipment: protective gloves and if necessary, dust mask. In order to avoid the effects on the skin, washing is mandatory after handling the product. In case of events/accidents call the local fire brigade More details in urea safety data sheet. Urea Plant Manager Head of Testing Laboratory Technical Manager Ing. Cristian HERBETH Ing. Bratu PODINĂ Ing. Aurel BOTEZAN Issuing date: Edition: 2 Revision: 0 Page: 3 / 3