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GB - Chinese national standards - Page 6142

Standards GB - Chinese national standards - Page 6142

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/T 20899.2-2007 27.4.2007
GB/T 20899.2-2007 WITHDRAWN

Methods for chemical analysis of gold ores—Part 2:Determination of silver contents

WITHDRAWN published on 27.4.2007

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Preview GB/T 20899.3-2007 27.4.2007
GB/T 20899.3-2007 WITHDRAWN

Methods for chemical analysis of gold ores—Part 3:Determination of arsenic contents

WITHDRAWN published on 27.4.2007

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Preview GB/T 20899.4-2007 27.4.2007
GB/T 20899.4-2007 WITHDRAWN

Methods for chemical analysis of gold ores—Part 4:Determination of copper contents

WITHDRAWN published on 27.4.2007

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Preview GB/T 20899.5-2007 27.4.2007
GB/T 20899.5-2007 WITHDRAWN

Methods for chemical analysis of gold ores—Part 5:Determination of lead contents

WITHDRAWN published on 27.4.2007

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Preview GB/T 20899.6-2007 27.4.2007
GB/T 20899.6-2007 WITHDRAWN

Methods for chemical analysis of gold ores—Part 6:Determination of zinc contents

WITHDRAWN published on 27.4.2007

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Preview GB/T 20899.7-2007 27.4.2007
GB/T 20899.7-2007 WITHDRAWN

Methods for chemical analysis of gold ores—Part 7:Determination of iron contents

WITHDRAWN published on 27.4.2007

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Preview GB/T 20899.8-2007 27.4.2007
GB/T 20899.8-2007 WITHDRAWN

Methods for chemical analysis of gold ores—Part 8:Determination of sulfur contents

WITHDRAWN published on 27.4.2007

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Preview GB 209-1993 6.1.1993
GB 209-1993 WITHDRAWN

Sodium hydroxide for industrial use

WITHDRAWN published on 6.1.1993

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Preview GB/T 209-2006 14.3.2006
GB/T 209-2006 WITHDRAWN

Sodium hydroxide for industrial use

WITHDRAWN published on 14.3.2006

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Preview GB/T 20909-2007 27.4.2007
GB/T 20909-2007 WITHDRAWN

Steel doors and windows

WITHDRAWN published on 27.4.2007

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