SN/T 0566-2011 English PDFSN/T 0566: Historical versions
Basic dataStandard ID: SN/T 0566-2011 (SN/T0566-2011)Description (Translated English): Determination of available phosphorus for import and export calcined aluminium phosphate Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: G21 Word Count Estimation: 6,649 Date of Issue: 2011-05-31 Date of Implementation: 2011-12-01 Older Standard (superseded by this standard): SN/T 0566-1996 Quoted Standard: GB/T 6682 Regulation (derived from): National-Quality-Inspection-accreditation (2011) 291 Issuing agency(ies): General Administration of Customs Summary: This standard specifies the determination of the import and export of aluminum phosphate, calcium phosphorus content. This standard applies to the determination of the import and export of aluminum phosphate, calcium phosphorus content in. SN/T 0566-2011: Determination of available phosphorus for import and export calcined aluminium phosphate---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Determination of available phosphorus for import and export calcined aluminium phosphate People's Republic of China Entry-Exit Inspection and Quarantine Standards Instead of the SN/T 0566-1996 Importers and aluminum phosphate, calcium phosphorus determination Issued on. 2011-05-31 2011-12-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released ForewordThis standard replaces the industry standard SN/T 0566-1996 "Importers and aluminum phosphate, calcium phosphorus determination", and SN/T 0566-1996 Compared to the main technical differences are as follows. --- The standard according to GB/T 1.1-2009. Regulation "Standardization Guide Part 1 standard structure and write rules" given Then write; --- "Instruments and reagents" into "agents" and "instrument" chapters (SN/T 0566-1996 of "4 Reagents and materials," this standard "4 Reagents and materials", "5 instruments and equipment"); --- Increasing the GB/T 6682 "Water Analysis Laboratory specifications and test methods" normative reference standards; --- Data evaluation of the results have been revised. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Yantai Exit Inspection and Quarantine. The main drafters of this standard. Wei Lu, Wang, the Liu Xiaoyan, Wu Weili. This standard replaces the standards previously issued as follows. --- SN/T 0566-1996. Importers and aluminum phosphate, calcium phosphorus determination1 ScopeThis standard specifies the method for determination of import and export aluminum calcium phosphate in phosphorus content. This standard applies to the determination of calcium in the import and export of aluminum phosphate in phosphorus content.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Laboratory use specifications and test methods GB/T 6682 Analysis3 Method SummaryThe sample was alkaline solution of ammonium citrate at 50 ℃ extract was acidified by nitric acid, heating hydrolysis with Quimociac solution was precipitated phosphorus, The precipitate was dried at 180 ℃, constant weight.4 Reagents and materialsUnless otherwise indicated, the reagents used were of analytical grade, test water comply with GB/T 6682 specifications and test methods for laboratory water analysis. 4.1 nitric acid (density 1.4g/mL). 4.2 alkaline ammonium citrate solution. 463g ammonium citrate were dissolved in 280mL of ammonia (NH3 content of 20%) and 200mL of water, with Diluted with water to 1L. Note. This solution containing 400g per liter of citric acid monohydrate (C6H8O7 · H2O) and 153g of ammonia. Its free ammonia content is about 55g/L. 4.3 Quimociac solution configuration. Sodium molybdate solution. dissolve 70g sodium molybdate in 150mL water; Quinoline solution. Take 5mL quinoline, dissolved in nitric acid (35100) solution. Under constant stirring, was slowly added a solution of sodium molybdate was dissolved in nitric acid 60g of citric acid monohydrate (1730) solution; After continuously Stirring, slowly added to a solution of quinoline. Keep in dark 24h after adding acetone 280mL, diluted with water to 1L, and mix. Stored in polyethylene Bottle, dark place. Filter used. 5. Apparatus 5.1 constant temperature water bath. the temperature can be controlled at (50 ± 2) ℃. 5.2 Ovens. temperature can be controlled at (180 ± 2) ℃. 5.3 Glass filter crucible. the 4th volume of 30mL. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 0566-2011_English be delivered?Answer: Upon your order, we will start to translate SN/T 0566-2011_English as soon as possible, and keep you informed of the progress. The lead time is typically in 9 seconds (download/delivered in 9 seconds). 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version SN/T 0566-2011?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version SN/T 0566-2011 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
