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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
Inspection of grain and oils—Determination of the ash content by incineration
WITHDRAWN published on 4.8.2008
Selected format:Inspection of grain and oilseeds Methods for determination of gluten
WITHDRAWN published on 2.11.1985
Selected format:Wheat and wheat flour—Gluten content—Part 2:Determination of wet gluten by mechanical means
WITHDRAWN published on 4.11.2008
Selected format:Inspection of grain and oilseeds Methods for determination of fineness degree of flours
WITHDRAWN published on 2.11.1985
Selected format:Inspection of grain and oilseeds Methods for determination of sand content of flours
WITHDRAWN published on 2.11.1985
Selected format:Inspection of grain and oils - Determination of sand content in milled product
WITHDRAWN published on 16.6.2011
Selected format:Inspection of grain and oilseeds Methods for determination of magnetic metals content of flours
WITHDRAWN published on 2.11.1985
Selected format:Anchor chain mooring swivel, cast steel
WITHDRAWN published on 1.1.1980
Selected format:Inspection of grain and oilseeds Methods for determination of fatty acid value of flours
WITHDRAWN published on 2.11.1985
Selected format:Inspection of grain and oils—Determination of fat acidity value of grain and oilseeds
WITHDRAWN published on 29.9.2011
Selected format:Latest update: 2026-06-09 (Number of items: 2 281 484)
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