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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
Textiles - Determination of heavy metals - Part 2: Inductively coupled plasma atomic emission spectrometry
Standard published on 5.12.2007
Selected format:
Textile—Determination of heavy metals—Part 2: Inductively coupled plasma-optical emission spectrometry (ICP-OES) and inductively coupled plasma-mass spectrometry (ICP-MS)
Execute Date: november 2027
Standard published on 31.10.2025
Selected format:TextilesDetermination of heavy metalsPart 3: Chromium(VI) Spectrophotometry
Standard published on 25.5.2006
Selected format:TextilesDetermination of heavy metalsPart 4: Arsenic and mercury Atomic fluorescence spectrophotometry
Standard published on 25.5.2006
Selected format:Textiles--Domestic laundering procedures for textile fabrics prior to flammability testing
Standard published on 26.11.1998
Selected format:Textiles--Commercial laundering procedure for textile fabrics prior to flammability testing
Standard published on 26.11.1998
Selected format:Geotextiles--Determination for thickness of single layers of multilayer products
Standard published on 26.11.1998
Selected format:Protective clothine--Heatproof behaviour--Determination of behaviour of materials on impact of small splashes of molten metal
Standard published on 26.11.1998
Selected format:Methods for chemical analysis of cement
Standard published on 29.12.2017
Selected format:Methods for chemical analysis of cement
Standard published on 31.10.2025
Selected format:Latest update: 2026-09-03 (Number of items: 2 300 115)
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