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Standards GB - Chinese national standards - Page 5741
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 12685-1990
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Tricyclazole technical
WITHDRAWN published on 30.12.1990
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GB/T 12685-2006
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Tricyclazole technical
WITHDRAWN published on 24.8.2006
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GB 12686-1990
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Glyphosate technical
WITHDRAWN published on 30.12.1990
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GB/T 12686-2004
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Glyphosate technical
WITHDRAWN published on 6.12.2004
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GB/T 12687.1-1990
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Chemical analysis of nitrate of rare earth for agriculture—Determination of total rare earth oxide content—Gravimetric method
WITHDRAWN published on 30.12.1990
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GB/T 12687.1-2010
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Chemical analysis methods of rare earth nitrate for growth regulator for plant—Part 1:Determination of arsenic,mercury,lead,cadmium and chromium contents—Inductively coupled plasma mass spectrometry method
WITHDRAWN published on 14.1.2011
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GB/T 12687.2-1990
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Chemical analysis of nitrate of rare earth for agriculture—Determination of chlorine content—Mercurimetric method
WITHDRAWN published on 30.12.1990
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GB/T 12687.2-2010
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Chemical analysis methods of rare earth nitrate for growth regulator for plant—Part 2:Determination of chlorine content
WITHDRAWN published on 14.1.2011
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GB/T 12687.3-1990
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Chemical analysis of nitrate of rare earth for agriculture—Determination of arsenic content—Hydride generation flame atomic absorption spectrophotometric method
WITHDRAWN published on 30.12.1990
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GB/T 12687.3-2010
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Chemical analysis methods of rare earth nitrate for growth regulator for plant—Part 3:Determination of the water insoluble matter content—Gravimetry
WITHDRAWN published on 14.1.2011
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