2025-12-17 216.73.216.99
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 42513.8-2025 Methods for chemical analysis of nickel alloys—Part 8: Determination of niobium content—Inductively coupled plasma atomic emission spectrometric method 270.0 via email in 1~3 business day to be valid,,2026-3-1
GB/T 42513.9-2025 Methods for chemical analysis of nickel alloys—Part 9 : Determination of total boron content—Curcumin molecular absorption spectrometric method 270.0 via email in 1~3 business day to be valid,,2026-3-1
GB/T 3884.4-2025 Methods for chemical analysis of copper concentrates—Part 4:Determination of lead,zinc,cadmium,nickel and magnesium oxide contents—Flame atomic absorption spectrometry method 270.0 via email in 1~3 business day to be valid,,2026-3-1
GB/T 3884.15-2025 Methods for chemical analysis of copper concentrate—Part 15：Determination of total iron and ferriferrous oxide contents 270.0 via email in 1~3 business day to be valid,,2026-3-1
GB/T 3884.9-2025 Methods for chemical analysis of copper concentrates—Part 9: Determination of arsenic ,antimony and bismuth contents 315.0 via email in 1~5 business day to be valid,,2026-3-1
GB/T 3884.7-2025 Methods for chemical analysis of copper concentrates—Part 7：Determination of lead and zinc contents—Na2EDTA titration method 270.0 via email in 1~3 business day to be valid,,2026-3-1
GB/T 8152.6-2025 Methods for chemical analysis of lead concentrates—Part 6:Determination of bismuth content 315.0 via email in 1~5 business day valid,,2025-10-1
GB/T 3260.1-2024 Methods for chemical analysis of tin—Part 1：Determination of copper, lead, zinc, cadmium, silver, nickel and cobalt contents—Flame atomic absorption spectroscopy 270.0 via email in 1~3 business day valid,,2025-6-1
GB 3253.6-1982 Chemical analysis of antimony--The combustion-iodine volumetric method for determination of sulfur 45.0 via email in 1~3 business day superseded,2001-1-2,1983-3-1
GB 3253.5-1982 Chemical analysis of antimony--The atomic absorption spectrophotometric method for determination of lead, iron and copper 60.0 via email in 1~3 business day superseded,2001-1-2,1983-3-1
GB 3260.1-1982 Chemical analysis of tin--The neocuproine photometric method for determination of copper 45.0 via email in 1~3 business day superseded,2000-12-1,1983-3-1
GB 5122.12-1985 Methods for chemical analysis of brass--The acetylacetone-chloroform extraction photometric method for the determination of iron content 45.0 via email in 1~3 business day valid,,1986-2-1
GB 5122.6-1985 Methods for chemical analysis of brass--The ammonium benzoate separation--EDTA complexometric titration method for the determination of aluminum content 60.0 via email in 1~3 business day valid,,1986-2-1
GB 5122.4-1985 Methods for chemical analysis of brass--The ammonium ferrous sulfate titrimetric method for the determination of manganese content 45.0 via email in 1~3 business day valid,,1986-2-1
GB 5122.20-1985 Methods for chemical analysis of brass--The atomic absorption spectrophotometric method for the determination of nickel content 60.0 via email in 1~3 business day valid,,1986-2-1
GB 5122.7-1985 Methods for chemical analysis of brass--The EDTA titrimetric method for the determination of nickel content 45.0 via email in 1~3 business day valid,,1986-2-1
GB 5122.5-1985 Methods for chemical analysis of brass--The iodine titrimetric method for the determination of tin content 60.0 via email in 1~3 business day valid,,1986-2-1
GB 5122.11-1985 Methods for chemical analysis of brass--The methylene blue photometric method for the determination of sulfur content 60.0 via email in 1~3 business day valid,,1986-2-1
GB 5122.1-1985 Methods for chemical analysis of brass--The electrolytic method for the determination of copper content 60.0 via email in 1~3 business day valid,,1986-2-1
GB 5122.9-1985 Methods for chemical analysis of brass--The molybdenum blue extraction photometric method for the determination of phosphorus content 45.0 via email in 1~3 business day valid,,1986-2-1
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GB/T 42513.8-2025 Methods for chemical analysis of nickel alloys—Part 8: Determination of niobium content—Inductively coupled plasma atomic emission spectrometric method 
  Issued on: 2025-08-29   Price(USD): 270.0
GB/T 42513.9-2025 Methods for chemical analysis of nickel alloys—Part 9 : Determination of total boron content—Curcumin molecular absorption spectrometric method 
  Issued on: 2025-08-29   Price(USD): 270.0
GB/T 3884.4-2025 Methods for chemical analysis of copper concentrates—Part 4:Determination of lead,zinc,cadmium,nickel and magnesium oxide contents—Flame atomic absorption spectrometry method 
  Issued on: 2025-8-29   Price(USD): 270.0
GB/T 3884.15-2025 Methods for chemical analysis of copper concentrate—Part 15：Determination of total iron and ferriferrous oxide contents 
  Issued on: 2025-8-29   Price(USD): 270.0
GB/T 3884.9-2025 Methods for chemical analysis of copper concentrates—Part 9: Determination of arsenic ,antimony and bismuth contents 
  Issued on: 2025-8-29   Price(USD): 315.0
GB/T 3884.7-2025 Methods for chemical analysis of copper concentrates—Part 7：Determination of lead and zinc contents—Na2EDTA titration method 
  Issued on: 2025-8-29   Price(USD): 270.0
GB/T 8152.6-2025 Methods for chemical analysis of lead concentrates—Part 6:Determination of bismuth content 
  Issued on: 2025-03-28   Price(USD): 315.0
GB/T 3260.1-2024 Methods for chemical analysis of tin—Part 1：Determination of copper, lead, zinc, cadmium, silver, nickel and cobalt contents—Flame atomic absorption spectroscopy 
  Issued on: 2024-11-28   Price(USD): 270.0
GB 3253.6-1982 Chemical analysis of antimony--The combustion-iodine volumetric method for determination of sulfur 
  Issued on:   Price(USD): 45.0
GB 3253.5-1982 Chemical analysis of antimony--The atomic absorption spectrophotometric method for determination of lead, iron and copper 
  Issued on:   Price(USD): 60.0
GB 3260.1-1982 Chemical analysis of tin--The neocuproine photometric method for determination of copper 
  Issued on:   Price(USD): 45.0
GB 5122.12-1985 Methods for chemical analysis of brass--The acetylacetone-chloroform extraction photometric method for the determination of iron content 
  Issued on:   Price(USD): 45.0
GB 5122.6-1985 Methods for chemical analysis of brass--The ammonium benzoate separation--EDTA complexometric titration method for the determination of aluminum content 
  Issued on:   Price(USD): 60.0
GB 5122.4-1985 Methods for chemical analysis of brass--The ammonium ferrous sulfate titrimetric method for the determination of manganese content 
  Issued on:   Price(USD): 45.0
GB 5122.20-1985 Methods for chemical analysis of brass--The atomic absorption spectrophotometric method for the determination of nickel content 
  Issued on:   Price(USD): 60.0
GB 5122.7-1985 Methods for chemical analysis of brass--The EDTA titrimetric method for the determination of nickel content 
  Issued on:   Price(USD): 45.0
GB 5122.5-1985 Methods for chemical analysis of brass--The iodine titrimetric method for the determination of tin content 
  Issued on:   Price(USD): 60.0
GB 5122.11-1985 Methods for chemical analysis of brass--The methylene blue photometric method for the determination of sulfur content 
  Issued on:   Price(USD): 60.0
GB 5122.1-1985 Methods for chemical analysis of brass--The electrolytic method for the determination of copper content 
  Issued on:   Price(USD): 60.0
GB 5122.9-1985 Methods for chemical analysis of brass--The molybdenum blue extraction photometric method for the determination of phosphorus content 
  Issued on:   Price(USD): 45.0
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