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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
Examination of radioactive materials for foods—General principle
WITHDRAWN published on 22.2.1994
Selected format:Examination of radioctive materials for foods—Determination of cesium-137
WITHDRAWN published on 22.2.1994
Selected format:Examination of radioactive materials for foods—Determination of hydrogen-3
WITHDRAWN published on 22.2.1994
Selected format:Examination of radioactive materials for foods—Determination of strontium-89 and strontium-90
WITHDRAWN published on 22.2.1994
Selected format:Examination of radioactive materials for foods—Determination of promethium-147
WITHDRAWN published on 22.2.1994
Selected format:Examination of radioactive materials for foods—Determination of polonium-210
WITHDRAWN published on 22.2.1994
Selected format:Examination of radioactive materials for foods—Determination of radium-226 and radium-228
WITHDRAWN published on 22.2.1994
Selected format:Examination of radioactive materials for foods—Determination of natural thorium and uranium
WITHDRAWN published on 22.2.1994
Selected format:Examination of radioactive materials for foods—Determination of plutonium-239, plutonium-240
WITHDRAWN published on 22.2.1994
Selected format:Examination of radioactive materials for foods—Determination of iodine-131
WITHDRAWN published on 22.2.1994
Selected format:Latest update: 2026-04-05 (Number of items: 2 271 011)
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