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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
Determination of total ascorbic acid in fruits, vegetables and derived products—Flourometric method and colorimetric method
WITHDRAWN published on 11.8.2003
Selected format:Determination of phosphorus in foods
WITHDRAWN published on 11.8.2003
Selected format:Determination of insoluble dietary fiber in foods
WITHDRAWN published on 11.8.2003
Selected format:Determination of dietary fiber in foods
WITHDRAWN published on 3.12.2008
Selected format:Determination of dietary fiber in foods
WITHDRAWN published on 21.9.2015
Selected format:Determination of niacin in foods
WITHDRAWN published on 11.8.2003
Selected format:Determination of niacin in foods
WITHDRAWN published on 23.12.2016
Selected format:Method for determination of starch in foods
WITHDRAWN published on 16.5.1985
Selected format:Determination of starch in foods
WITHDRAWN published on 11.8.2003
Selected format:Determination of starch in foods
WITHDRAWN published on 3.12.2008
Selected format:Latest update: 2025-12-26 (Number of items: 2 253 153)
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