2025-12-16 10.1.14.108
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 8550.17-1987 Copper-nickel alloys--Determination of manganese content--Potassium periodate spectrophotometric method via email in business day ,,
GB/T 8550.20-1987 Copper-nickel alloys--Determination of silicon content--Molybdenum blue spectrophotometric method via email in business day ,,
GB/T 8550.21-1987 Copper-nickel alloys--Determination of silicon content--Extraction-molybdenum blue spectrophotometric method via email in business day ,,
GB/T 8550.18-1987 Copper-nickel alloys--Determination of sulfur content--Potentiometric titration method after distillation via email in business day ,,
GB/T 8550.19-1987 Copper-nickel alloys--Determination of carbon content--Infra-red absorption method after high frequency induction furnace combustion via email in business day ,,
GB/T 8550.15-1987 Copper-nickel alloys--Determination of arsenic content--Silver diethyl-dithiocarbamate spectrophotometric method via email in business day ,,
GB/T 8550.16-1987 Copper-nickel alloys--Determination of iron content--1, 10-phenanthroline spectrophotometric method via email in business day ,,
GB/T 8550.14-1987 Copper-nickel alloys--Determination of antimony content--Crystal violet spectrophotometric method via email in business day ,,
GB/T 8550.10-1987 Copper-nickel alloys--Determination of lead content--Flame atomic absorption spectrophotometric method via email in business day ,,
GB/T 8550.12-1987 Copper-nickel alloys--Determination of phosphorus content--Extraction-molybdenum blue spectrophotometric method via email in business day ,,
GB/T 8550.11-1987 Copper-nickel alloys--Determination of bismuth content--Potassium iodide-brucine spectrophotometric method via email in business day ,,
GB/T 8550.13-1987 Copper-nickel alloys--Determination of tin content--Phenylfluorone-cetyl trimethyl ammonium bromide ternary complex spectrophotometric method via email in business day ,,
GB/T 8550.1-1987 Copper-nickel alloys--Determination of copper content--Electrolytic-flame atomic absorption spectrophotometric method via email in business day ,,
GB/T 8544-1987 Aluminium and aluminium alloy strip via email in business day ,,
GB/T 8541-1987 Terminology of forging and stamping via email in business day ,,
GB/T 8538.9-1987 Method for determination of total hardness in drinking natural mineral water via email in business day ,,
GB/T 8538.8-1987 Method for determination of mineralized degree in drinking natural water via email in business day ,,
GB/T 8538.7-1987 Method for determination of pH value of drinking natural mineral water via email in business day ,,
GB/T 8538.61-1987 Method for examination of total aerobic bacterial count in drinking natural mineral water via email in business day ,,
GB/T 8538.6-1987 Method for determination of turbidity in drinking natural mineral water via email in business day ,,
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GB/T 8550.17-1987 Copper-nickel alloys--Determination of manganese content--Potassium periodate spectrophotometric method 
  Issued on:   Price(USD):
GB/T 8550.20-1987 Copper-nickel alloys--Determination of silicon content--Molybdenum blue spectrophotometric method 
  Issued on:   Price(USD):
GB/T 8550.21-1987 Copper-nickel alloys--Determination of silicon content--Extraction-molybdenum blue spectrophotometric method 
  Issued on:   Price(USD):
GB/T 8550.18-1987 Copper-nickel alloys--Determination of sulfur content--Potentiometric titration method after distillation 
  Issued on:   Price(USD):
GB/T 8550.19-1987 Copper-nickel alloys--Determination of carbon content--Infra-red absorption method after high frequency induction furnace combustion 
  Issued on:   Price(USD):
GB/T 8550.15-1987 Copper-nickel alloys--Determination of arsenic content--Silver diethyl-dithiocarbamate spectrophotometric method 
  Issued on:   Price(USD):
GB/T 8550.16-1987 Copper-nickel alloys--Determination of iron content--1, 10-phenanthroline spectrophotometric method 
  Issued on:   Price(USD):
GB/T 8550.14-1987 Copper-nickel alloys--Determination of antimony content--Crystal violet spectrophotometric method 
  Issued on:   Price(USD):
GB/T 8550.10-1987 Copper-nickel alloys--Determination of lead content--Flame atomic absorption spectrophotometric method 
  Issued on:   Price(USD):
GB/T 8550.12-1987 Copper-nickel alloys--Determination of phosphorus content--Extraction-molybdenum blue spectrophotometric method 
  Issued on:   Price(USD):
GB/T 8550.11-1987 Copper-nickel alloys--Determination of bismuth content--Potassium iodide-brucine spectrophotometric method 
  Issued on:   Price(USD):
GB/T 8550.13-1987 Copper-nickel alloys--Determination of tin content--Phenylfluorone-cetyl trimethyl ammonium bromide ternary complex spectrophotometric method 
  Issued on:   Price(USD):
GB/T 8550.1-1987 Copper-nickel alloys--Determination of copper content--Electrolytic-flame atomic absorption spectrophotometric method 
  Issued on:   Price(USD):
GB/T 8544-1987 Aluminium and aluminium alloy strip 
  Issued on:   Price(USD):
GB/T 8541-1987 Terminology of forging and stamping 
  Issued on:   Price(USD):
GB/T 8538.9-1987 Method for determination of total hardness in drinking natural mineral water 
  Issued on:   Price(USD):
GB/T 8538.8-1987 Method for determination of mineralized degree in drinking natural water 
  Issued on:   Price(USD):
GB/T 8538.7-1987 Method for determination of pH value of drinking natural mineral water 
  Issued on:   Price(USD):
GB/T 8538.61-1987 Method for examination of total aerobic bacterial count in drinking natural mineral water 
  Issued on:   Price(USD):
GB/T 8538.6-1987 Method for determination of turbidity in drinking natural mineral water 
  Issued on:   Price(USD):
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