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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
Sodium hydrosulfide for industrial use
WITHDRAWN published on 2.6.2009
Selected format:High purity carbon dioxide
WITHDRAWN published on 2.6.2009
Selected format:Ammonium persulfate for industrial use
WITHDRAWN published on 2.6.2009
Selected format:Method for the determination of shade and colouring strength for dyeing disperse dyes
WITHDRAWN published on 1.1.1980
Selected format:Disperse dyes—Determination of dyeing shade and relative strength
WITHDRAWN published on 9.10.2003
Selected format:Disperse dyestuff—Determination of shade and relative strength
WITHDRAWN published on 1.8.2006
Selected format:Disperse dyestuff—Determination of shade and relative strength
WITHDRAWN published on 19.7.2013
Selected format:Analytical methods of persulfate products for industrial use
WITHDRAWN published on 2.6.2009
Selected format:Analytical methods of calcium chloride for industrial use
WITHDRAWN published on 2.6.2009
Selected format:Inorganic chemicals for products use—General method for the determination of aluminium—Chromazurol S-spectrophotometric method
WITHDRAWN published on 2.6.2009
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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