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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
Chemical reagent m-Cresol purple
WITHDRAWN published on 22.12.1994
Selected format:Chemical reagent Phenol red
WITHDRAWN published on 22.12.1994
Selected format:Chemical reagent Bromothymol blue
WITHDRAWN published on 22.12.1994
Selected format:Chemical reagent Thymol blue
WITHDRAWN published on 22.12.1994
Selected format:Chemical reagent—Tributyl phosphate
WITHDRAWN published on 22.12.1994
Selected format:Chemical reagent—Nickel chloride hexahydrate
WITHDRAWN published on 22.12.1994
Selected format:Chemical reagent—General rules for the determination of nucleotides
WITHDRAWN published on 22.12.1994
Selected format:Surface active agents and detergents—Determination of viscosity of liquid products using a rotational viscometer
WITHDRAWN published on 30.12.1994
Selected format:Food additive—DL-Tartaric acid
WITHDRAWN published on 30.12.1994
Selected format:Food additive—dl-Tartaric acid
WITHDRAWN published on 25.6.2008
Selected format:Latest update: 2026-01-21 (Number of items: 2 257 297)
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