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Standards GB - Chinese national standards - Page 7593
Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
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GB/T 3884.3-2000
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Methods for chemical analysis of copper concentrates—Determination of sulfur content
WITHDRAWN published on 16.2.2000
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GB/T 3884.4-2000
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Methods for chemical analysis of copper concentrates—Determination of magnesium oxide content
WITHDRAWN published on 16.2.2000
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GB/T 3884.5-2000
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Methods for chemical analysis of copper concentrates—Determination of fluorine content
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GB/T 3884.6-2000
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Methods for chemical analysis of copper concentrates—Determination of lead, zinc, cadmium and nickel contents
WITHDRAWN published on 16.2.2000
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GB/T 3884.7-2000
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Methods for chemical analysis of copper concentrates—Determination of lead content
WITHDRAWN published on 16.2.2000
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GB/T 3884.8-2000
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Methods for chemical analysis of copper concentrates—Determination of zinc content
WITHDRAWN published on 16.2.2000
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GB/T 3884.9-2000
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Methods for chemical analysis of copper concentrates—Determination of arsenic and bismuth contents
WITHDRAWN published on 16.2.2000
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GB/T 3885.1-1983
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Methods for chemical analysis of spodumenite and lepidolite concentrates--The atomic absorption spectrophotometric method for determination of lithium oxide sodium oxide and potassium oxide contents
WITHDRAWN published on 19.10.1983
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GB/T 3885.10-1983
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Methodsfor chemical analysis of spodumenite and lepidolite concentrates--The ion selective electrode method for the determination of fluorine content in lepidolite concentrates
WITHDRAWN published on 19.10.1983
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GB/T 3885.11-1983
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Methods for chemical analysis of spodumenite and lepidolite concentrates--The persulfate oxidation photometric method for the determination of manganous oxide content
WITHDRAWN published on 19.10.1983
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