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GB - Chinese national standards - Page 8059

Standards GB - Chinese national standards - Page 8059

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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Preview GB 3884.11-1983 1.1.1983
GB 3884.11-1983 WITHDRAWN

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WITHDRAWN published on 1.1.1983

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Preview GB 3884.12-1983 1.1.1983
GB 3884.12-1983 WITHDRAWN

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WITHDRAWN published on 1.1.1983

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Preview GB/T 3884.12-2010 10.1.2011
GB/T 3884.12-2010 WITHDRAWN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WITHDRAWN published on 10.1.2011

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Preview GB 3884.13-1983 1.1.1983
GB 3884.13-1983 WITHDRAWN

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WITHDRAWN published on 1.1.1983

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Preview GB/T 3884.13-2012 31.12.2012
GB/T 3884.13-2012 WITHDRAWN

Methods for chemical analysis of copper concentrates - Part 13: Determination of copper - Electrogravimetric method

WITHDRAWN published on 31.12.2012

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Preview GB 3884.14-1986 1.1.1986
GB 3884.14-1986 WITHDRAWN

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WITHDRAWN published on 1.1.1986

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Preview GB/T 3884.14-2012 31.12.2012
GB/T 3884.14-2012 WITHDRAWN

Methods for chemical analysis of copper concentrates - Part 14: Determination of gold and silver - Fire assay gravimetric and flame atomic absorption spectrometric method

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Preview GB 3884.15-1986 1.1.1986
GB 3884.15-1986 WITHDRAWN

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WITHDRAWN published on 1.1.1986

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Preview GB/T 3884.15-2014 5.12.2014
GB/T 3884.15-2014 WITHDRAWN

Methods for chemical analysis of copper concentratesPart 15Determination of iron contentPotassium dichromate titration method

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Preview GB/T 3884.16-2014 5.12.2014
GB/T 3884.16-2014 WITHDRAWN

Methods for chemical analysis of copper concentratesPart 16 Determination of silicon dioxide contentK2SiF6 titrimetric method and Gravimetric method

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