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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 residual acrylonitrile monomer in styrene—acrylonitrile copolymers and rubber—modified acrylonitrile—butadiene—styrene resins and their products used for food packaging
WITHDRAWN published on 11.8.2003
Selected format:Determination of phytic acid in vegetable foods
WITHDRAWN published on 11.8.2003
Selected format:Determination of vitamin B6 in foods
WITHDRAWN published on 11.8.2003
Selected format:Determination of vitamin B6 in foods
WITHDRAWN published on 23.12.2016
Selected format:General principle for the determination of migration of packaging materials and their products
WITHDRAWN published on 11.8.2003
Selected format:Determination of organic acid in foods
WITHDRAWN published on 11.8.2003
Selected format:Determination of vitamin K1 in vegetables
WITHDRAWN published on 11.8.2003
Selected format:Determination of reductive—form ascorbic acid in foods
WITHDRAWN published on 11.8.2003
Selected format:Method for determination of tin in foods
WITHDRAWN published on 1.1.1985
Selected format:Method for determination of tin in foods
WITHDRAWN published on 19.6.1996
Selected format:Latest update: 2025-12-25 (Number of items: 2 253 105)
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