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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 dehydroaetic acid in foods
Standard published on 24.1.1994
Selected format:Method for defermination of residual ethylidene dichloride in polyrinyl chloride resin and product for food container packaging material
Standard published on 24.1.1994
Selected format:General codes for broken & damaged cargo in transport
Standard published on 1.12.2010
Selected format:Information for national organization, cadre and personnel management—Part 1: Data elements
Standard published on 30.8.2019
Selected format:Information for national organization, cadre and personnel management—Part 2: Information classification and code lists
Standard published on 30.8.2019
Selected format:Manganese ores--Determination of chromium content
Standard published on 18.1.1994
Selected format:Manganese ores--Determination of cobaltcontent
Standard published on 18.1.1994
Selected format:Manganese ores—Determination of carbon content—Gravimetric method and infrared absorption method
Standard published on 20.8.2021
Selected format:Manganese ores—Determination of combined water content—Gravimetric method
Standard published on 21.5.2021
Selected format:Manganese ores—Determination of nickel content—Flame atomic absorption spectrometric method
Standard published on 20.8.2021
Selected format:Latest update: 2026-06-16 (Number of items: 2 283 261)
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