Standards GB - Chinese national standards - Page 7508

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GB 3285.3-1982 WITHDRAWN

Chemical analysis of lump molybdenum oxide--The determination of sulfur by the gravimetric method of barium sulfate

WITHDRAWN published on 1.1.1982

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GB 3285.4-1982 WITHDRAWN

Chemical analysis of lump molybdenum oxide--The determination of sulfur by the volumetric method of combustion potassium iodate

WITHDRAWN published on 1.1.1982

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GB 3285.5-1982 WITHDRAWN

Chemical analysis of lump molybdenum oxide--The determination of carbon by the coulomb method

WITHDRAWN published on 1.1.1982

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GB 3285.6-1982 WITHDRAWN

Chemical analysis of lump molybdenum oxide--The determination of phosphorus by the photometric method of extraction of n-butyl alcohol-trichloromethane

WITHDRAWN published on 1.1.1982

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