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Standards GB - Chinese national standards - Page 7592

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GB/T 3884.1-2000 WITHDRAWN

Methods for chemical analysis of copper concentrates—Determination of copper content

WITHDRAWN published on 16.2.2000

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GB/T 3884.10-2000 WITHDRAWN

Methods for chemical analysis of copper concentrates—Determination of antimony content

WITHDRAWN published on 16.2.2000

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GB 3884.11-1983 WITHDRAWN

WITHDRAWN published on 1.1.1983

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GB 3884.12-1983 WITHDRAWN

WITHDRAWN published on 1.1.1983

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GB/T 3884.12-2010 WITHDRAWN

Methods for chemical analysis of copper concentrates—Part 12:Determination of fluoride content and chloride content—Ion chromatography

WITHDRAWN published on 10.1.2011

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GB 3884.13-1983 WITHDRAWN

WITHDRAWN published on 1.1.1983

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GB 3884.14-1986 WITHDRAWN

WITHDRAWN published on 1.1.1986

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GB 3884.15-1986 WITHDRAWN

WITHDRAWN published on 1.1.1986

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GB/T 3884.18-2014 WITHDRAWN

Methods for chemical analysis of copper concentrates—Part 18:Determination of arsenic,antimony,bismuth,lead,zinc,nickel,cadmium,cobalt,magnesium oxide,calcium oxide contents—Inductively coupled plasma atomic emission spectrometry

WITHDRAWN published on 5.12.2014

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