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YS/T 1022-2015: Ammonium metavanadate
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YS/T 1022-2015: Ammonium metavanadate

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(Metavanadate) ICS 77.150.99 H63 People's Republic of China Nonferrous Metals Industry Standard Metavanadate Issued on. 2015-04-30 2015-10-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) and focal points. This standard was drafted. Dalian Borong New Materials Co., Ltd. Dalian Galaxy Metal Material Co., Ltd., Dalian still melt materials testing center Ltd., Dalian Chi Rong Materials Engineering Research Center Co., Ltd. The main drafters of this standard. Chen Yanbo, Hao Yue, Dongchang Bin, Zhao Hongwei, Chou Jinguo. Metavanadate

1 Scope

This standard specifies the ammonium metavanadate, requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificate and ordering Single (or contract) content. This standard applies to the calcined vanadium-containing minerals, leaching, precipitation, drying the obtained ammonium metavanadate.

2 Normative references

The 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. GB 190-2009 dangerous goods packaging logo GB/T 6284 General method for determination of chemical products, moisture loss on drying method GB/T 6678 General Principles for Sampling Chemical Products GB/T 6679 General rules for sampling solid chemical products GB/T 21524 Inorganic chemical products Determination of particle size sieve method HG/T 3445 Chemicals metavanadate Dangerous Chemicals Regulations (People's Republic of China State Council Decree No. 591)

3 Requirements

3.1 Categories Product chemical composition is divided into two levels. First Grade, Second Grade. 3.2 Chemical composition Chemical composition of the product shall comply with the requirements in Table 1. When the demand side, such as the chemical composition of the product have special requirements, agreed upon by both parties. Table 1 grade NH4VO3 (Mass fraction) /% not less than Impurity content (mass fraction) /%, not more than Si P Pb Fe Mo WS Cl As Ca Mg Cr K Na Al First Grade 99.7 0.01 0.005 0.003 0.005 0.01 0.01 0.01 0.0030.0020.010.0050.0020.0050.0050.003 Second Grade 99.5 0.02 0.005 0.003 0.010 0.02 0.02 0.02 0.0050.0050.080.0100.0050.0100.0100.005 3.3 Moisture content The moisture content of a product and the two products should not exceed 0.1%. ...