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Standards GB - Chinese national standards - Page 97
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
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GB/T 11199-2024
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High-purity sodium hydroxide
Standard published on 15.3.2024
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GB/Z 112-2025
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Traditional Chinese medicine—Categories of clinical terminological system to support the integration of clinical terms from traditional Chinese medicine and Western medicine
Standard published on 4.1.2026
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GB/Z 112-2026
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Traditional Chinese medicine—Categories of clinical terminological system to support the integration of clinical terms from traditional Chinese medicine and Western medicine
Standard published on 4.1.2026
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GB/T 11200.1-2025
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Test methods of high-purity sodium hydroxide—Part 1Determination of sodium chlorate content
Standard published on 30.6.2025
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GB/T 11200.2-2008
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Sodium hydroxide for industrial use - Determination of aluminium oxide content - Spectrometric method
Standard published on 18.6.2008
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GB/T 11200.3-2008
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Text methods of high-purity sodium hydroxide - Part 3: Determination of calcium content - Flame atomic absorption method
Standard published on 18.6.2008
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GB/T 11201-2002
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Rubber--Determination of iron content by atomic absorption spectrometry
Standard published on 15.10.2002
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GB/T 11202-2003
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Rubber--Determination of iron content--110-Phenanthroline photometric method
Standard published on 10.1.2003
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GB/T 11203-2001
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Rubber--Determination of zinc content--EDTA titrimetric method
Standard published on 28.8.2001
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GB/T 11205-2009
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Rubber - Determination of thermal conductivity by means of hot -wire method
Standard published on 24.4.2009
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