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Standards GB - Chinese national standards - Page 382
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 14353.2-2010
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Methods for chemical analysis of copper ores, lead ores and zinc ores - Part 2: Determination of lead content
Standard published on 10.11.2010
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GB/T 14353.20-2019
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Methods for chemical analysis of copper ores, lead ores and zinc ores—Part 20 : Determination of rhenium content—Inductively coupled plasma mass spectroscopy
Standard published on 18.10.2019
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GB/T 14353.21-2019
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Methods for chemical analysis of copper ores, lead ores and zinc ores—Part 21: Determination of arsenic content—Hydride generation atomic fluorescence spectrometry
Standard published on 18.10.2019
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GB/T 14353.3-2010
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Methods for chemical analysis of copper ores, lead ores and zinc ores - Part 3: Determination of zinc content
Standard published on 10.11.2010
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GB/T 14353.4-2010
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Methods for chemical analysis of copper ores, lead ores and zinc ores - Part 4: Determination of cadmium content
Standard published on 10.11.2010
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GB/T 14353.5-2010
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Methods for chemical analysis of copper ores,lead ores and zinc ores - Part 5: Determination of nickel content
Standard published on 10.11.2010
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GB/T 14353.6-2010
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Methods for chemical analysis of copper ores, lead ores and zinc ores - Part 6: Determination of cobalt content
Standard published on 10.11.2010
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GB/T 14353.7-2010
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Methods for chemical analysis of copper ores, lead ores and zinc ores - Part 7: Determination of arsenic content
Standard published on 10.11.2010
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GB/T 14353.8-2010
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Methods for chemical analysis of copper ores, lead ores and zinc ores - Part 8: Determination of bismuth content
Standard published on 10.11.2010
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GB/T 14353.9-2010
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Methods for chemical analysis of copper ores, lead ores and zinc ores - Part 9: Determination of molybdenum content
Standard published on 10.11.2010
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