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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
Physical and chemical examination of trace evidence in forensic sciences—Part 1:Infrared absorption spectrometry
WITHDRAWN published on 14.8.2008
Selected format:Physical and chemical examination of trace evidence in forensic sciences—Part 10:Gas chromatography
WITHDRAWN published on 19.8.2003
Selected format:Physical and chemical examination of trace evidence in forensic sciences—Part 11:High performance liquid chromatography
WITHDRAWN published on 19.8.2003
Selected format:Physical and chemical examination of trace evidence in forensic sciences—Part 12:Thermal analysis
WITHDRAWN published on 19.8.2003
Selected format:Physical and chemical examination of trace evidence in forensic sciences—Part 2:Ultraviolet-visible absorption spectroscopy
WITHDRAWN published on 19.8.2003
Selected format:Physical and chemical examination of trace evidence in forensic sciences—Part 3:Molecular fluorospectrometry
WITHDRAWN published on 19.8.2003
Selected format:Physical and chemical examination of trace evidence in forensic sciences—Part 4:Atomic emission spectrometry
WITHDRAWN published on 19.8.2003
Selected format:Physical and chemical examination of trace evidence in forensic sciences—Part 5:Atomic absorption spectrometry
WITHDRAWN published on 19.8.2003
Selected format:Physical and chemical examination of trace evidence in forensic sciences—Part 6:Scanning electron microscopy
WITHDRAWN published on 19.8.2003
Selected format:Physical and chemical examination of trace evidence in forensic sciences—Part 7:Gas chromatography/mass spectrometry
WITHDRAWN published on 19.8.2003
Selected format:Latest update: 2025-08-24 (Number of items: 2 213 294)
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