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Standards GB - Chinese national standards - Page 388
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 14352.7-2010
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Methods for chemical analysis of tungsten ores and molybdenum ores - Part 7Determination of cobalt content
Standard published on 10.11.2010
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GB/T 14352.8-2010
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Methods for chemical analysis of tungsten ores and molybdenum ores - Part 8Determination of nickel content
Standard published on 10.11.2010
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GB/T 14352.9-2010
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Methods for chemical analysis of tungsten ores and molybdenum ores - Part 9Determination of sulfur content
Standard published on 10.11.2010
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GB/T 14353.1-2010
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Methods for chemical analysis of copper ores, lead ores and zinc ores - Part 1: Determination of copper content
Standard published on 10.11.2010
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GB/T 14353.10-2010
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Methods for chemical analysis of copper ores, lead ores and zinc ores - Part 10: Determination of tungsten content
Standard published on 10.11.2010
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GB/T 14353.11-2010
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Methods for chemical analysis of copper ores, lead ores and zinc ores - Part 11: Determination of silver content
Standard published on 10.11.2010
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GB/T 14353.12-2010
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Methods for chemical analysis of copper ores, lead ores and zinc ores - Part 12: Determination of sulfur content
Standard published on 10.11.2010
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GB/T 14353.13-2014
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Methods for chemical analysis of copper ores, lead ores and zinc oresPart 13: Determination of gallium contentindium contentthallium contenttungsten content and molybdenum content
Standard published on 5.12.2014
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GB/T 14353.14-2014
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Methods for chemical analysis of copper ores, lead ores and zinc ores—Part 14: Determination of germanium content
Standard published on 5.12.2014
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GB/T 14353.15-2014
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Methods for chemical analysis of copper ores, lead ores and zinc oresPart 15: Determination of selenium content
Standard published on 5.12.2014
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