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GB/T 24482-2009 English PDF

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GB/T 24482-2009: Roasted molybdenum concentrate
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PDF similar to GB/T 24482-2009


Standard similar to GB/T 24482-2009

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Basic data

Standard ID GB/T 24482-2009 (GB/T24482-2009)
Description (Translated English) Roasted molybdenum concentrate
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H63
Classification of International Standard 77.150
Word Count Estimation 8,871
Date of Issue 2009-10-30
Date of Implementation 2010-06-01
Quoted Standard GB/T 3249; GB/T 4325.23; GB/T 4325.27; GB/T 7314; YS/T 555
Regulation (derived from) National Standard Approval Announcement 2009 No.12 (Total No.152)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the requirements for molybdenum concentrate roasting, test methods, inspection rules face, packaging, signs, storage and purchase order (or contract) content. This standard applies to bake burn method for producing metallurgical charge, molybdenum chemicals, firing ceramics and other areas of phase concentrates.

GB/T 24482-2009: Roasted molybdenum concentrate

---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.
Roasted molybdenum concentrate ICS 77.150 H63 National Standards of People's Republic of China Molybdenum concentrate roasting Posted 2009-10-30 2010-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard is a normative appendix. The standard proposed by China Nonferrous Metals Industry Association. This standard Nonferrous Metals by the National Standardization Technical Committee. This standard is drafted by. Jinduicheng Molybdenum Group Co., Ltd. Participated in the drafting of this Standard. China Molybdenum Group Co., Ltd. The main drafters of this standard. Yin Xiaogang, Guoding Peng, Renjuan Ling, Ma Zhijun, Wang Guoliang, Tian Yonghong, Zhangjiang Feng. Molybdenum concentrate roasting

1 Scope

This standard specifies the roasting of molybdenum concentrate requirements, test methods, inspection rules, packaging, labeling, storage and purchase order (or contract) content. This standard applies to the production of molybdenum concentrate roasting roasting method for metallurgical charge, molybdenum chemical, ceramics and other fields.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 3249 Determination of metals and their compounds Fisher particle size powder GB/T 4325.23 chemical analysis of molybdenum - The combustion - amount of sulfur conductivity method GB/T 4325.27 chemical analysis of molybdenum - The combustion - coulometric titration method for the determination of carbon content GB/T 7314 Compression testing of metallic materials at room temperature YS/T 555 (all parts) concentrates - Methods

3 Requirements

3.1 Classification Products are divided into three varieties. molybdenum concentrate roasting (general), molybdenum concentrate roasting (high melting), molybdenum concentrate roasting (block). Grade 3.2 Depending on the Mo content of the product is divided into YMo62, YMo60, YMo57, YMo55, YMo53 five grades. 3.3 Chemical composition Chemical composition of the product shall comply with the provisions in Table 1. Table 1 Chemical Composition% molybdenum concentrate roasting Variety grades Chemical indicators (mass fraction) Mo Molybdenum base Solubility Bi S Cu P C Sn Sb WO3 Pb Not less than Not more than Molybdenum concentrate roasting (Normal, block) YMo62 62.00 - - 0.10 0.18 0.05 0.10 0.05 0.04 - 0.10 YMo60 60.00 - - 0.10 0.22 0.05 0.10 0.05 0.04 - 0.10 YMo57 57.00 - - 0.10 0.25 0.05 0.10 0.05 0.04 - 0.10 YMo55 55.00 - - 0.10 0.28 0.05 0.10 0.05 0.04 - 0.10 YMo53 53.00 - - 0.10 0.30 0.05 0.10 0.05 0.04 - 0.10 Molybdenum concentrate roasting (High melting) YMo60 60.00 98.50 0.10 0.30 0.20 0.05 0.10 0.05 0.04 0.05 0.10 YMo53 53.00 98.00 0.10 0.30 0.26 0.05 0.10 0.05 0.04 0.05 0.10 Note 1. The solubility of molybdenum base refers to the amount of molybdenum in ammonia can dissolve the total amount of molybdenum content. Note 2. YMo- refers molybdenum concentrate roasting designated by the Customs in the export symbol.

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