GB/T 24482-2009Roasted molybdenum concentrate (English PDF)
焙烧钼精矿
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 30, 2009
Implementation date
June 1, 2010
Scope
GB/T 24482-2009 is the English-translated version of 焙烧钼精矿.
GB/T 24482-2009 is the Chinese standard "Roasted molybdenum concentrate". Its scope clause reads: 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. Its clauses include requirements.
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Document preview — GB/T 24482-2009
National Standard of the People's Republic of China
- ICS
- 77.150
- Classification
- H 63
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Requirements
- 3.1 Classification
- 3.3 Chemical composition
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.
GB/T 13747.24-2017 | GB/T 21183-2017 | GB/T 26314-2010 | GB/T 44327-2024 | GB/T 23271-2023 | GB/T 24484-2009 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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