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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
Metallic material—Standard test method for the elastic modulus at high temperature—The method of disc—Vibrator
WITHDRAWN published on 1.6.1993
Selected format:Aromatics—Preparation of test sample
WITHDRAWN published on 5.6.1993
Selected format:Aromatics--Determination of flash point--Closed cup method
WITHDRAWN published on 5.6.1993
Selected format:Aromatics—Determination of phenol content
WITHDRAWN published on 5.6.1993
Selected format:Aromatics—Method for determination of trace chlorinated compounds
WITHDRAWN published on 5.6.1993
Selected format:Aromatics—Determination of carbonyl compounds content—Neutral sodium sulfite method
WITHDRAWN published on 5.6.1993
Selected format:Aromatics—Preparation of standard solution, test solution and indicator solution
WITHDRAWN published on 5.6.1993
Selected format:Oil of sassafras—Determination of safrole and isosafrole content—Gas chromatographic method on packed columns
WITHDRAWN published on 5.6.1993
Selected format:Oil of sassafras—Determination of safrole and isosafrole content—Gas chromatographic method on packed columns
WITHDRAWN published on 15.7.2008
Selected format:Aromatics—Determination of carbonyl value and carbonyl compounds content—Hydroxylammonium chloride method
WITHDRAWN published on 5.6.1993
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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