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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 21634-2020: Triple superphosphate Status: Valid GB/T 21634: Historical versions
Basic dataStandard ID: GB/T 21634-2020 (GB/T21634-2020)Description (Translated English): Triple superphosphate Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G21 Classification of International Standard: 65.080 Word Count Estimation: 11,138 Date of Issue: 2020-11-19 Date of Implementation: 2021-06-01 Older Standard (superseded by this standard): GB/T 21634-2008 Regulation (derived from): National Standard Announcement No. 26 of 2020 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 21634-2020: Triple superphosphate---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.Triple superphosphate ICS 65.080 G21 National Standards of People's Republic of China Replace GB/T 21634-2008 Superphosphate 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 21634-2008 "Heavy Superphosphate". Compared with GB/T 21634-2008, except for editorial changes, the main The technical changes are as follows. ---Updated some normative references (see Chapter 2, Chapter 2 of the.2008 edition); ---Added the limit requirements for toxic and hazardous substances (see 3.3); ---The determination method of free acid has been added (see 4.5.1); ---Modified packaging specifications (see 7.1, 7.1 of the.2008 edition). This standard was proposed by the China Petroleum and Chemical Industry Federation. This standard is organized by the National Fertilizer and Soil Conditioner Standardization Technical Committee Phosphate and Compound Fertilizer Sub-Technical Committee (SAC/TC105/SC3) Focus. Drafting organizations of this standard. Shanghai Research Institute of Chemical Industry Co., Ltd., Yunnan Yuntianhua Co., Ltd., Shanghai Institute of Chemical Industry Testing Co., Ltd., Yunnan Product Quality Supervision and Inspection Institute, Shanghai Huanqiu Engineering Co., Ltd. The main drafters of this standard. Shi Yonglin, Yang Yi, Li Zhou, Li Xinglin, Wang Wenjie, Du Xiuming, Yan Qiaoyue, Sun Gang, Ta Dehong, Ma Yanping. The previous versions of the standard replaced by this standard are as follows. ---GB/T 21634-2008. Superphosphate1 ScopeThis standard specifies the technical requirements, sampling, test methods, inspection rules, identification and quality certificates, packaging, transportation and storage of heavy superphosphate. This standard applies to powdered and granular heavy superphosphate for fertilizers made from wet or thermal phosphoric acid treatment of phosphate rock powder.2 Normative referencesThe following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 6003.1 Technical Requirements and Inspection of Test Sieve Part 1.Metal Wire Woven Mesh Test Sieve GB/T 6679 General Rules for Sampling of Solid Chemical Products GB/T 8170 Numerical rounding rules and the expression and determination of limit values GB/T 8569 Solid chemical fertilizer packaging GB 18382 Fertilizer labeling content and requirements GB 38400 Limit requirements for toxic and hazardous substances in fertilizers HG/T 2843 Commonly used standard titration solution, standard solution, reagent solution and indicator solution for chemical analysis of fertilizer products3 Technical requirements3.1 Powdered superphosphate 3.1.1 The appearance is colored powder without mechanical impurities. 3.1.2 The technical indicators of powdered heavy superphosphate should meet the requirements of Table 1, and should meet the indicated values. Table 1 Technical index requirements of powdered heavy superphosphate% 3.1.3 The toxic and hazardous substances in the product should meet the limit requirements in GB 38400. 3.2 Granular superphosphate 3.2.1 The appearance is colored particles without mechanical impurities. 3.2.2 Granular heavy superphosphate should meet the requirements of Table 2, and should meet the indicated value. ...... |
