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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
Determination of cadmium in feeds
Standard published on 26.11.2021
Selected format:Determination of fluorine in feeds—Ion selective electrode method
Standard published on 14.5.2018
Selected format:Determination of Cyanide in feed
Standard published on 20.12.2006
Selected format:Determination of nitrite in feeds—Colorimetry method
Standard published on 17.9.2018
Selected format:Method for determination of free gossypol in feeds
Standard published on 19.11.2020
Selected format:Determination of isothiocyanates in feeds
Standard published on 21.7.2020
Selected format:Determination of chromium in feeds
Standard published on 9.6.2006
Selected format:Method for determination of oxazolidinethione in feeds
Standard published on 19.11.2020
Selected format:Determination of HCH and DDT in feeds
Standard published on 1.8.2025
Selected format:Determination of Salmonella in feeds
Standard published on 17.9.2018
Selected format:Latest update: 2026-03-30 (Number of items: 2 269 988)
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