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Standards GB - Chinese national standards - Page 8341
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 602-1988
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Chemical reagent--Preparations of stock standard solutions
WITHDRAWN published on 5.9.1988
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GB/T 6020-1999
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Butadiene for industrial use—Determination of tert-butyl-catechol(TBC)[4-(1,1-dimethylethyl)-1,2-benzenediol]—Spectrometric method
WITHDRAWN published on 10.8.1999
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GB/T 6021-1999
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Butadiene for industrial use—Determination of oxygen and argon in the gaseous phase above liquid butadiene—Gas chromatographic method
WITHDRAWN published on 10.8.1999
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GB/T 6022-1999
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Butadiene for indusdrial use—Determination of oxygen in the gaseous phase above liquid butadiene—Gas chromatographic method
WITHDRAWN published on 10.8.1999
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GB/T 6023-1999
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Butadiene for industrial use—Determination of trace water—Coulometric Karl Fischer method
WITHDRAWN published on 10.8.1999
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GB 6024-1985
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WITHDRAWN published on 1.1.1985
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GB 6026-1989
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Acetone for industrial use
WITHDRAWN published on 1.1.1989
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GB/T 6026-1998
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Acetone for industrial use
WITHDRAWN published on 19.10.1998
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GB 6027-1989
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WITHDRAWN published on 1.1.1989
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GB/T 6027-1998
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n-Butanol for industrial use
WITHDRAWN published on 4.11.1998
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