Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 5235-1985 Wrought nickels and nickel alloys-Chemical composition and forms of wrought products 60.0 via email in 1~3 business day abolished
GB/T 4702.1-1997 Methods for chemical analysis of chromium metal the ammonium ferrous sulfate-volumetric method for the determination of chromium content 90.0 via email in 1~3 business day to be abolished
GB/T 4435-1984 Nickel and nickel-copper alloys round bars via email in business day abolished
YS/T 707-2009 Methods for chemical analysis of ferronickel carbonyl powder—Determination of nickel content—Dimethylglyoxime gravimetric method 150.0 via email in 1~3 business day valid
YS/T 539.5-2009 Methods for chemical analysis of nickel base alloy powder—Part 5:Determination of manganese content—Sodium(potassium)periodate spectrophotometry 90.0 via email in 1~3 business day valid
YS/T 325.3-2009 Methods for chemical analysis of nickel-copper alloy—Part 3:Determination of iron content—The flame atomic absorption spectrometric method 180.0 via email in 1~3 business day valid
YS/T 539.7-2006 Nickel base alloy powder -- Determination of cobalt content -- Nitroso-R salt spectrophotometric method 30.0 via email in 1~3 business day superseded
YS/T 277-1994 Nickel monoxide 135.0 via email in 1~3 business day superseded
GB/T 4702.9-1985 Methods for chemical analysis of chromium metal; The crystal violet spectrophotometric method for the determination of antimony content 60.0 via email in 1~3 business day valid
GB/T 8647.7-2006 The methods for chemical analysis of nickel - Determination of arsenic antimony bismuth tin and lead contents - Electrothermal atomic absorption spectrometric method 90.0 via email in 1~3 business day valid
YS/T 252.5-2007 Methods for chemical analysis of nickel matte - Determination of sulfur content-Combustion-neutralization titrimetric method 90.0 via email in 1~3 business day valid
GB/T 2882-2005 Product of geographical indication—Fuling mustard tuber 120.0 via email in 1~3 business day superseded
GB 3121-1982 Nickel and its alloy wires for electronic tube 30.0 via email in 1~3 business day superseded
YS/T 1012-2014 105.0 via email in 1~3 business day valid
GB/T 8638.5-1988 Nickel base alloy powder; Determination manganese content; Sodium(potassium periodate spectrophotometric method) 15.0 via email in 1~3 business day superseded
GB/T 3211-1987 Chromium metal 15.0 via email in 1~3 business day superseded
YS/T 218-1994 60.0 via email in 1~3 business day superseded
YS/T 325.1-2009 Methods for chemical analysis of nickel-copper alloy - Part 1: Determination of nickel content - The Na2EDTA titrimetric method 105.0 via email in 1~3 business day valid
YS/T 539.7-2009 Methods for chemical analysis of nickel base alloy powder—Part 7:Determination of cobalt content—Nitroso-R salt spectrophotometry 90.0 via email in 1~3 business day valid
GB/T 8647.8-2006 The methods for chemical analysis of nickel - Determination of sulphur content - Infra-red absorption method after high frequency induction furnace combustion 90.0 via email in 1~3 business day valid
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