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Standards GB - Chinese national standards - Page 5158
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 7717.16-2022
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Acrylonitrile for industrial use—Part 16: Determination of iron and copper content—Graphite furnace atomic absorption spectrometry and inductively coupled plasma mass spectrometry
Standard published on 11.7.2022
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GB/T 7717.5-2008
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Acrylonitrile for industrial use - Part 5Determination of acidity and pH value and titration value
Standard published on 19.6.2008
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GB/T 7717.8-1994
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Acrylonitrile for industrial use--Determination of content of total aldehydes--Spectrophotometric method
Standard published on 4.7.1994
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GB/T 7717.9-1994
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Acrylonitrile for industrial use--Determination of content of total cyanides--Titrimetric method
Standard published on 4.7.1994
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GB 7718-2011
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National food safety standard - General Standard for the Labeling of Prepackaged Foods
Standard published on 20.4.2011
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GB 7718-2025
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National food safety standard - General Standard for the Labeling of Prepackaged Foods
Execute Date: march 2027
Standard published on 16.3.2025
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GB/T 772-2005
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Technical specifications of porcelain element for high voltage insulators
Standard published on 26.8.2005
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GB/T 7721-2017
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Continuous totalizing automatic weighing instruments(belt weighers)
Standard published on 29.12.2017
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GB/T 7722-2020
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Electronic portable platform and bench scale
Standard published on 19.11.2020
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GB/T 7723-2017
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Fixed location electronic weighing instrument
Standard published on 1.11.2017
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