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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
Volatile organic liquids—Determination of dry residue after evaporation on a water bath—General method
WITHDRAWN published on 26.4.1986
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Organic chemical products for industrial use—Test method for the determination of permanganate-reducing substances
WITHDRAWN published on 30.12.1993
Selected format:Determination of trace sulphur in products of organic liquid—Micro-coulometry method
WITHDRAWN published on 26.4.1986
Selected format:Organic chemical products for industrial use—Determination of content of carbonyl compounds present—Volumetric method
WITHDRAWN published on 26.4.1986
Selected format:Organic chemical products for industrial use—Determination of content of carbonyl compounds present in small amounts—Photometric method
WITHDRAWN published on 26.4.1986
Selected format:Definition of analytical terms used for organic chemical products
WITHDRAWN published on 1.1.1986
Selected format:Tyre terms and its definitions
WITHDRAWN published on 1.1.1986
Selected format:Tyre terms
WITHDRAWN published on 22.12.1994
Selected format:Tyre terms and definitions
WITHDRAWN published on 15.9.2005
Selected format:Latest update: 2026-04-16 (Number of items: 2 272 849)
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