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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
Food contact materials—Polymer—Determination of 1,3-butadiene in food simulants—Gas chromatography
WITHDRAWN published on 31.3.2009
Selected format:Food contact materials—Polymer—Determination of caprolactam and caprolactam salt in food simulants—Gas chromatography
WITHDRAWN published on 31.3.2009
Selected format:Food contact materials—Polymer—Determination of maleic acid and maleic anhydride in food simulants—High performance liquid chromatography
WITHDRAWN published on 31.3.2009
Selected format:Food contact materials—Determination of isocyanates in plastics—High performance liquid chromatography
WITHDRAWN published on 31.3.2009
Selected format:Food contact materials—Polymer—Determination of 1,3-benzenedimethanamine in food simulants—High performance liquid chromatography
WITHDRAWN published on 27.4.2009
Selected format:Food contact materials—Determination of 1,3-butadiene in plastics—Gas chromatography
WITHDRAWN published on 31.3.2009
Selected format:Food contact materials—Polymer—Determination of 1-octene and tetrahydrofuran in food simulants—Gas chromatography
WITHDRAWN published on 31.3.2009
Selected format:Food contact materials—Determination of epichlorohydrin in plastics—High performance liquid chromatography
WITHDRAWN published on 31.3.2009
Selected format:Food contact materials—Polymer—Determination of acrylonitrile in food simulants—Gas chromatography
WITHDRAWN published on 31.3.2009
Selected format:Food contact materials—Polymer—Determination of acrylamide in food simulants—High performance liquid chromatography
WITHDRAWN published on 31.3.2009
Selected format:Latest update: 2026-05-04 (Number of items: 2 275 493)
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