Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB 10322-1988 Iron ores - Mechanical sampling and sample preparation procedures $270.00 via email in 1~3 business day superseded
GB 1361-1978 Analytical methods of iron ores-Generality and common rules $15.00 via email in 1~3 business day superseded
GB 6730.1-1986 Methods for chemical analysis of iron ores; Preparation of predried test samples for chemical analysis $30.00 via email in 1~3 business day abolished
GB 6730.10-1986 Methods for chemical analysis of iron ores - The gravimetric method for the determination of silicon content $60.00 via email in 1~3 business day abolished
GB 6730.11-1986 Methods for chemical analysis of iron ores; The fluoride replacement complexometric method for the determination of aluminum content $75.00 via email in 1~3 business day abolished
GB 6730.12-1986 Methods for chemical analysis of iron ores; The chrome azurol S photometric method for the determination of aluminum content $75.00 via email in 1~3 business day abolished
GB 6730.14-1986 Methods for chemical analysis of iron ores; The flame atomic absorption spectrophotometric method for the determination of calcium and magnesium content $90.00 via email in 1~3 business day superseded
GB 6730.16-1986 Methods for chemical analysis of iron ores - The barium sulfate gravimetric method for the determination of sulfur content $60.00 via email in 1~3 business day abolished
GB 6730.17-1986 Methods for chemical analysis of iron ores; The combustion iodometric method for the determination of sulfur content $60.00 via email in 1~3 business day abolished
GB 6730.19-1986 Methods for chemical analysis of iron ores - The bismuth phosphomolybdate blue photometric method for the determination of phosphorus content $60.00 via email in 1~3 business day abolished
GB 6730.2-1986 Methods for chemical analysis of iron ores - Gravimetric method for the determination of moisture content $30.00 via email in 1~3 business day abolished
GB 6730.20-1986 Methods for the chemical analysis of iron ores; The volumetric method for the determination of phosphorus content $105.00 via email in 1~3 business day superseded
GB 6730.21-1986 Method for chemical analysis of iron ores - The potassium periodate photometric method for the determination of manganese content $90.00 via email in 1~3 business day abolished
GB 6730.22-1986 Methods for chemical analysis of iron ores; The diantipyrine methane photometric method for the determination of titanium content $75.00 via email in 1~3 business day abolished
GB 6730.26-1986 Methods for chemical analysis of iron ores; The thorium nitrate volumetric method for the determination of fluorine content $60.00 via email in 1~3 business day abolished
GB 6730.27-1986 Methods for chemical analysis of iron ores - The lanthanum-alizarin complexon photometric method for the determination of fluorine content $60.00 via email in 1~3 business day abolished
GB 6730.29-1986 Methods for chemical analysis of iron ores - The barium sulfate gravimetric method for the determination of barium content $60.00 via email in 1~3 business day abolished
GB 6730.3-1986 Methods for chemical analysis of iron ores - The gravimetric method for the determination of hygroscopic moisture content in analytical samples $60.00 via email in 1~3 business day abolished
GB 6730.30-1986 Methods for chemical analysis of iron ores; The diphenyl carbazide photometric method for the determination of chromium content $75.00 via email in 1~3 business day abolished
GB 6730.31-1986 Methods for chemical analysis of iron ores; The benzoylphenylhydroxylamine extraction photometric method for the determination of vanadium content $60.00 via email in 1~3 business day superseded
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