2025-12-21 10.8.118.215
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 5122.10-1985 Methods for chemical analysis of brass--The persulfate photometric method for the determination of manganese content via email in business day ,,
GB/T 5121.9-1985 Methods for chemical analysis of copper--The ortho-phenanthroline photometric method for the determination of iron content via email in business day ,,
GB/T 5121.8-1985 Methods for chemical analysis of copper--The pulse heating-coulometric method for the determination of oxygen content via email in business day ,,
GB/T 5121.6-1985 Methods for chemical analysis of copper--The potassium iodide photometric method for the determination of bismuth content via email in business day ,,
GB/T 5121.7-1985 Methods for chemical analysis of copper--The silver diethyldithiocarbamate photometric method for the determination of arsenic content via email in business day ,,
GB/T 5121.4-1985 Methods for chemical analysis of copper--The combustion-volumetric method for the determination of sulfur content via email in business day valid,,
GB/T 5121.5-1985 Methods fro chemical analysis of copper--The dimethylglyoxime photometric method for the determination of nickel content via email in business day ,,
GB/T 5121.3-1985 Methods for chemical analysis of copper--The flame atomic absorption spectrophotometric method for the determination of lead content via email in business day ,,
GB/T 5121.2-1985 Methods for chemical analysis of copper--The molybdenum blue photometric method for the determination of phospherus content via email in business day ,,
GB/T 5121.11-1985 Methods for chemical analysis of copper--The flame atomic absorption spectrophotometric method for the determination of zinc content via email in business day ,,
GB/T 5121.12-1985 Methods for chemical analysis of copper--The rhodamine B photometric method for the determination of antimony content via email in business day ,,
GB/T 5120.4-1985 Methods for chemical analysis of bessemer copper--The flame atomic absorption spectrophotometric method for the determination of antimony content via email in business day ,,
GB/T 5121.10-1985 Methods for chemical analysis of copper--The phenylfluorone-polyethylene glycal octyl phenyl ether photometric method for the determination of tin content via email in business day ,,
GB/T 5120.3-1985 Methods for chemical analysis of bessemer copper--The potassium bromate volumetric method for the determination of arsenic content via email in business day ,,
GB/T 5120.2-1985 Methods for chemical analysis of bessemer copper--The wet-fire assay method for the determination of gold and silver contents via email in business day ,,
GB/T 5120.1-1985 Methods for chemical analysis of bessemer copper--The potassium iodide-thiosulfate volumetric method for the determination of copper content via email in business day ,,
GB/T 5095.1-1985 Electromechanical components for electronic equipment basic testing procedures and measuring methods--Part 1: General via email in business day ,,
GB/T 5061-1985 Metallic powders--Determination of apparent density--Part 3: oscillating funnel method via email in business day superseded,1999-7-1,
GB/T 5055-1985 Parents fish of black carp, grass carp, silver carp and big head via email in business day ,,
GB/T 5051-1985 Parameters of the particle forming machine via email in business day valid,,
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GB/T 5122.10-1985 Methods for chemical analysis of brass--The persulfate photometric method for the determination of manganese content 
  Issued on:   Price(USD):
GB/T 5121.9-1985 Methods for chemical analysis of copper--The ortho-phenanthroline photometric method for the determination of iron content 
  Issued on:   Price(USD):
GB/T 5121.8-1985 Methods for chemical analysis of copper--The pulse heating-coulometric method for the determination of oxygen content 
  Issued on:   Price(USD):
GB/T 5121.6-1985 Methods for chemical analysis of copper--The potassium iodide photometric method for the determination of bismuth content 
  Issued on:   Price(USD):
GB/T 5121.7-1985 Methods for chemical analysis of copper--The silver diethyldithiocarbamate photometric method for the determination of arsenic content 
  Issued on:   Price(USD):
GB/T 5121.4-1985 Methods for chemical analysis of copper--The combustion-volumetric method for the determination of sulfur content 
  Issued on:   Price(USD):
GB/T 5121.5-1985 Methods fro chemical analysis of copper--The dimethylglyoxime photometric method for the determination of nickel content 
  Issued on:   Price(USD):
GB/T 5121.3-1985 Methods for chemical analysis of copper--The flame atomic absorption spectrophotometric method for the determination of lead content 
  Issued on:   Price(USD):
GB/T 5121.2-1985 Methods for chemical analysis of copper--The molybdenum blue photometric method for the determination of phospherus content 
  Issued on:   Price(USD):
GB/T 5121.11-1985 Methods for chemical analysis of copper--The flame atomic absorption spectrophotometric method for the determination of zinc content 
  Issued on:   Price(USD):
GB/T 5121.12-1985 Methods for chemical analysis of copper--The rhodamine B photometric method for the determination of antimony content 
  Issued on:   Price(USD):
GB/T 5120.4-1985 Methods for chemical analysis of bessemer copper--The flame atomic absorption spectrophotometric method for the determination of antimony content 
  Issued on:   Price(USD):
GB/T 5121.10-1985 Methods for chemical analysis of copper--The phenylfluorone-polyethylene glycal octyl phenyl ether photometric method for the determination of tin content 
  Issued on:   Price(USD):
GB/T 5120.3-1985 Methods for chemical analysis of bessemer copper--The potassium bromate volumetric method for the determination of arsenic content 
  Issued on:   Price(USD):
GB/T 5120.2-1985 Methods for chemical analysis of bessemer copper--The wet-fire assay method for the determination of gold and silver contents 
  Issued on:   Price(USD):
GB/T 5120.1-1985 Methods for chemical analysis of bessemer copper--The potassium iodide-thiosulfate volumetric method for the determination of copper content 
  Issued on:   Price(USD):
GB/T 5095.1-1985 Electromechanical components for electronic equipment basic testing procedures and measuring methods--Part 1: General 
  Issued on:   Price(USD):
GB/T 5061-1985 Metallic powders--Determination of apparent density--Part 3: oscillating funnel method 
  Issued on:   Price(USD):
GB/T 5055-1985 Parents fish of black carp, grass carp, silver carp and big head 
  Issued on:   Price(USD):
GB/T 5051-1985 Parameters of the particle forming machine 
  Issued on:   Price(USD):
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