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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
Regulations for radioactive waste management
WITHDRAWN published on 19.6.1993
Selected format:Spectrophotometric determination of phosphorus in uranium hexafluoride
WITHDRAWN published on 19.6.1993
Selected format:Determination of uranium in uranium hexafluoride
WITHDRAWN published on 24.9.1994
Selected format:Analytical method of nickel-63 in water
WITHDRAWN published on 19.6.1993
Selected format:General principle of nomenclature and classification of radioisotope products
WITHDRAWN published on 19.6.1993
Selected format:Bank cards
WITHDRAWN published on 5.7.1993
Selected format:Method for chemical analysis of rocks and ores—General rules and regulations
WITHDRAWN published on 19.6.1993
Selected format:Silicate rocks—Determination of hygroscopic water content—Gravimetric method
WITHDRAWN published on 19.6.1993
Selected format:Silicate rocks—Determination of manganese oxide
WITHDRAWN published on 19.6.1993
Selected format:Silicate rocks—Determination of potassium oxide and sodium oxide
WITHDRAWN published on 19.6.1993
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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