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Standards GB - Chinese national standards - Page 99
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 11213.7-2008
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Test methods of sodium hydroxide for chemical fiber use -Part 7:Determination of copper content-spectrometric method
Standard published on 18.6.2008
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GB/T 11214-1989
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Analytical determination of radium-226 in water
Standard published on 31.3.1989
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GB 11215-1989
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The general regulation for environmental radiological assessment
Standard published on 31.3.1989
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GB 11217-1989
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The regulations for monitoring effluents atnuclear facilities
Standard published on 31.3.1989
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GB/T 11218-1989
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The determination for alpha-radionuclide of radium in water
Standard published on 31.3.1989
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GB/T 11219.1-1989
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Determination of plutonium in soil--Extraction chromatography method
Standard published on 31.3.1989
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GB/T 11219.2-1989
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Determination of plutonium in soil--Ion exchange method
Standard published on 31.3.1989
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GB/T 11220.1-1989
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Determination of uranium in soil--CL-5209 extractant-containing resin separation 2-(5-bromo-2-pyridylazo)-5-diethlaminophenol spectrophotometry
Standard published on 31.3.1989
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GB/T 11221-1989
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Radiochemical analysis of caesium-137 in ash of biological samples
Standard published on 31.3.1989
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GB/T 11222.1-1989
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Radiochemical analysis of strontium-90 in ash of biological samples--Extraction chromatography by di-(2-ethylhexyl) phosphate
Standard published on 31.3.1989
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