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Standards GB - Chinese national standards - Page 8789
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 6681-1986
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General rules for sampling gaseous chemical products
WITHDRAWN published on 13.8.1986
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GB/T 6682-1992
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Water for analytical laboratory use—Specification and test methods
WITHDRAWN published on 29.6.1992
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GB 6683-1986
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WITHDRAWN published on 1.1.1986
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GB/T 6683-1997
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Petroleum products—Determination of precision data in relation to methods of test
WITHDRAWN published on 14.10.1997
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GB/T 6684-1986
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Chemical reagents--Hydrogen peroxide
WITHDRAWN published on 13.8.1986
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GB/T 6685-1986
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Chemical reagents—Hydroxylammonium chloride
WITHDRAWN published on 13.8.1986
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GB/T 6686-1986
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Classification of colours
WITHDRAWN published on 13.8.1986
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GB/T 6687-1986
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Glossary of dyestuff terms
WITHDRAWN published on 13.8.1986
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GB/T 6688-1986
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Determination of relative strength of dyes (Instrumental method)
WITHDRAWN published on 13.8.1986
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GB/T 6689-1986
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Determination of colour difference of dyes (Instrumental method)
WITHDRAWN published on 13.8.1986
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