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Standards GB - Chinese national standards - Page 8211
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 5194.2-1985
WITHDRAWN
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Methods for chemical analysis of nickel matte--The sulfosalicylic acid photometric method for the determination of iron content
WITHDRAWN published on 1.1.1985
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GB 5194.3-1985
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Methods for chemical analysis of nickel matte--The nitroso-R-salt photometric method for the determination of cobalt content
WITHDRAWN published on 1.1.1985
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GB 5194.4-1985
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Methods for chemical analysis of nickel matte--The sodium thiosulphate titrimetric method for the determination of copper content
WITHDRAWN published on 1.1.1985
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GB 5194.5-1985
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Methods for chemical analysis of nickel matte--The barium sulfate gravimetric method for the determination of sulfur content
WITHDRAWN published on 1.1.1985
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GB/T 5195.1-1985
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Methods for chemical analysisof fluorspar--The EDTA volumetric method for the determination of calciumfluoride content
WITHDRAWN published on 18.5.1985
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GB/T 5195.1-2006
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Fluorspar—Determination of calcium fluoride content
WITHDRAWN published on 16.8.2006
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GB/T 5195.11-2006
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Fluorspar—Determination of manganese content—The periodate spectrophotometric method
WITHDRAWN published on 16.8.2006
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GB/T 5195.12-2016
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Fluorspar—Determination of arsenic content—Atomic fluorescence spectrometry
WITHDRAWN published on 13.12.2016
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GB/T 5195.19-2018
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Fluorspar—Determination of arsenic content—Silver diethyldithiocarbamate spectrometric method
WITHDRAWN published on 17.9.2018
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GB/T 5195.2-1985
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Methods for chemical analysisof fluorspar--The EDTA volumetric method for the determination of carbonatecontent
WITHDRAWN published on 18.5.1985
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