Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB 5119.3-1985 Methods for chemical analysis of crude lead--The cerium sulfate volumetric method for the determination of antimony content $180.00 via email in 1~3 business day valid
GB 5119.4-1985 Methods for chemical analysis of crude lead--The 5-Br-PADAP photometric method for the determination of antimony content $184.00 via email in 1~3 business day superseded
GB 5119.5-1985 Methods for chemical analysis of crude lead--The molybdo antimony arsenate blue photometric method for the determination of arsenic content $184.00 via email in 1~3 business day superseded
GB 5119.6-1985 Methods for chemical analysis of crude lead--The oscillopolarographic method for the determination of copper content $184.00 via email in 1~3 business day superseded
GB 5119.7-1985 Methods for chemical analysis of crude lead--The fire assay-gravimetric method for the determination of gold content and potassium thiocyanate volumetric method for the determination of silver content $180.00 via email in 1~3 business day valid
GB 5119.8-1985 Methods for chemical analysis of crude lead--The atomic absorption spectrophotometric method for the determination of gold content $184.00 via email in 1~3 business day superseded
GB 5119.9-1985 Methods for chemical analysis of crude lead--The atomic absorption spectrophotometric method for the determination of silver content $184.00 via email in 1~3 business day superseded
GB 5120.1-1985 Methods for chemical analysis of blister copper - Determination of copper content by potassium iodide-thiosulfate volumetric method $60.00 via email in 1~3 business day superseded
GB 5120.2-1985 Methods for chemical analysis of bessemer copper--The wet-fire assay method for the determination of gold and silver contents $60.00 via email in 1~3 business day superseded
GB 5120.3-1985 Methods for chemical analysis of bessemer copper--The potassium bromate volumetric method for the determination of arsenic content $60.00 via email in 1~3 business day superseded
GB 5120.4-1985 Methods for chemical analysis of bessemer copper--The flame atomic absorption spectrophotometric method for the determination of antimony content $75.00 via email in 1~3 business day superseded
GB 5121.1-1985 Method for chemical analysis of copper - Electrolytic process for the determination of copper content $75.00 via email in 1~3 business day superseded
GB 5121.10-1985 Methods for chemical analysis of copper--The phenylfluorone-polyethylene glycal octyl phenyl ether photometric method for the determination of tin content $45.00 via email in 1~3 business day valid
GB 5121.11-1985 Methods for chemical analysis of copper--The flame atomic absorption spectrophotometric method for the determination of zinc content $60.00 via email in 1~3 business day valid
GB 5121.12-1985 Methods for chemical analysis of copper--The rhodamine B photometric method for the determination of antimony content $45.00 via email in 1~3 business day superseded
GB 5121.2-1985 Methods for chemical analysis of copper--The molybdenum blue photometric method for the determination of phospherus content $45.00 via email in 1~3 business day valid
GB 5121.3-1985 Methods for chemical analysis of copper--The flame atomic absorption spectrophotometric method for the determination of lead content $60.00 via email in 1~3 business day superseded
GB 5121.4-1985 $60.00 via email in 1~3 business day valid
GB 5121.5-1985 Methods fro chemical analysis of copper--The dimethylglyoxime photometric method for the determination of nickel content $45.00 via email in 1~3 business day valid
GB 5121.6-1985 Methods for chemical analysis of copper--The potassium iodide photometric method for the determination of bismuth content $45.00 via email in 1~3 business day valid
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