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GB - Chinese national standards - Page 7744

Standards GB - Chinese national standards - Page 7744

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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Preview GB/T 9728-1988 5.9.1988
GB/T 9728-1988 WITHDRAWN

Chemical reagent General method for the determination of sulphate

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Preview GB/T 9729-1988 5.9.1988
GB/T 9729-1988 WITHDRAWN

Chemical reagent General method for the determination of chloride

WITHDRAWN published on 5.9.1988

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Preview GB/T 9730-1988 5.9.1988
GB/T 9730-1988 WITHDRAWN

Chemical reagent--General method for the determination of oxalates

WITHDRAWN published on 5.9.1988

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Preview GB/T 9731-1988 5.9.1988
GB/T 9731-1988 WITHDRAWN

Chemical reagent General method for the determination of sulphur compounds

WITHDRAWN published on 5.9.1988

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Preview GB/T 9732-1988 5.9.1988
GB/T 9732-1988 WITHDRAWN

Chemical reagent--General method for the determination of ammonium

WITHDRAWN published on 5.9.1988

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in 3 working days
Preview GB/T 9733-1988 5.9.1988
GB/T 9733-1988 WITHDRAWN

Chemical reagent General method for the determination of carbonyl compounds

WITHDRAWN published on 5.9.1988

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Preview GB/T 9734-1988 5.9.1988
GB/T 9734-1988 WITHDRAWN

Chemical reagent General method for the determination of aluminium

WITHDRAWN published on 5.9.1988

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Preview GB/T 9735-1988 5.9.1988
GB/T 9735-1988 WITHDRAWN

Chemical reagent General method for the determination of heavy metals

WITHDRAWN published on 5.9.1988

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Preview GB/T 9736-1988 5.9.1988
GB/T 9736-1988 WITHDRAWN

Chemical reagent--General method for the determination of acidity and alkalinity

WITHDRAWN published on 5.9.1988

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Preview GB/T 9737-1988 5.9.1988
GB/T 9737-1988 WITHDRAWN

Chemical reagent--General rules for the measurement of readily carbonizable substances

WITHDRAWN published on 5.9.1988

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