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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
Soil quality--Determinationof total mercury--Cold atomic absorption spectrophotometry
Standard published on 8.12.1997
Selected format:Soil quality--Determination of leadcadmium--KI-MIBK extraction flame atomic absorption spectrophotometry
Standard published on 8.12.1997
Selected format:Soil quality--Determination of leadcadmium--Graphite furnace atomic absorption spectrophoto-metry
Standard published on 8.12.1997
Selected format:Information technology - Open systems interconnection - Systems management overview
Standard published on 1.9.2008
Selected format:Information technology--Open systems interconnection--Systems management--Part 1:Object management function
Standard published on 15.12.1997
Selected format:Information technology--Open systems interconnection--Systems management--Part 2:State management function
Standard published on 15.12.1997
Selected format:Information technology--Open systems interconnection--Systems management--Part 3:Attributes for representing relationships
Standard published on 15.12.1997
Selected format:Information technology--Open systems interconnection--Systems management--Part 4:Alarm reporting function
Standard published on 15.12.1997
Selected format:Informationtechnology--Open systems interconnection--Systems management--Part 5:Event report management function
Standard published on 15.12.1997
Selected format:Information technology--Open systems interconnection--Systems management--Part 6:Log control function
Standard published on 15.12.1997
Selected format:Latest update: 2026-08-28 (Number of items: 2 298 625)
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