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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
Method for determination of moisturecrude proteincrude fatcrude fibrelysine and methinione in feeds--Near infrared reflectance spectroscopy
WITHDRAWN published on 24.9.2002
Selected format:Determination of coliform bacteria in feeds
WITHDRAWN published on 24.9.2002
Selected format:Food additive Sodium hydrogen carbonate
WITHDRAWN published on 19.10.1998
Selected format:Food additive—Sodium bicarbonate
WITHDRAWN published on 29.10.2007
Selected format:Technical conditions for water saving products and general regulation for management
WITHDRAWN published on 9.9.2002
Selected format:Determination of vitamin K3 in feeds—High-performance liquid chromatography
WITHDRAWN published on 31.10.2002
Selected format:General specification of transmission electron microscope(TEM)—X-ray energy dispersive spectrum(EDS) quantitative microanalysis for thin biological specimens
WITHDRAWN published on 11.11.2002
Selected format:Cranes—Information to be provided—Part 3:Tower cranes
WITHDRAWN published on 15.12.2009
Selected format:Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis--Part 1:Determining the inclusion or second-phase constituent content of steels and other metals by automatic
WITHDRAWN published on 19.11.2002
Selected format:Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis - Part 2: Determining the inclusion ratings of steels by automatic image analysis and stereology
WITHDRAWN published on 1.11.2006
Selected format:Latest update: 2025-07-11 (Number of items: 2 208 012)
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