Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 10574.11-2017 Methods for chemical analysis of tin-lead solders-Part 11:Determination of phosphorus content-Crystal violet phosphorus-vanadium-molybdeum heteropoly acid spectrophotometry 80.0 via email in 1~3 business day valid
GB/T 10574.12-2017 Methods for chemical analysis of tin-lead solders - Part 12: Determination of sulfur content - High frequency combustion with infrared absorption method 160.0 via email in 1~3 business day valid
GB/T 10574.13-2017 Methods for chemical analysis of tin-lead solders - Part 13: Determination of antimony, bismuth, iron, arsenic, copper, silver, zinc, aluminium, cadmium, phosphorous and gold contents - Inductively coupled plasma atomic emission spectrometric method 160.0 via email in 1~3 business day valid
GB/T 10574.14-2017 Methods for chemical analysis of tin-lead solders - Part 14: Determination of tin, lead, antimony, bismuth, silver, copper, zinc, cadmium and arsenic content - Optical emission spectrometry 160.0 via email in 1~3 business day valid
GB/T 10574.8-2017 Methods for chemical analysis of tin-lead solders―Part 8:Determination of zinc content―Flame atomic absorption spectrometric method 70.0 via email in 1~3 business day valid
GB/T 10574.9-2017 Methods for chemical analysis of tin-lead solders - Part 9: Determination of aluminium content - Graphite furnace atomic absorption spectrometric method 100.0 via email in 1~3 business day valid
GB/T 12689.1-1990 Zinc and zinc alloys―Determination of aluminium content―EDTA titrimetric method 180.0 via email in business day abolished
GB/T 12689.1-2010 Methods for chemical analysis of zinc and zinc alloys—Part 1:Determination of aluminum content—Chromazurol Spolyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry,Chromeazurol S spectrophotometric method and EDTA titrimetry 240.0 via email in 1~3 business day valid
GB/T 12689.10-1990 Zinc and zinc alloys―Determination of lead content―Flame atomic absorption spectrometric method 180.0 via email in business day abolished
GB/T 12689.11-1990 Zinc and zinc alloys―Determination of antimony content―Flame atomic absorption spectrometric method 180.0 via email in business day abolished
GB/T 12689.12-1990 Zinc and zinc alloys―Determination of cadmium content―Flame atomic absorption spectrometric method 180.0 via email in business day abolished
GB/T 12689.13-1990 Zinc and zinc alloys―Determination of aluminium content―Electrothermal atomic absorption spectrometric method 180.0 via email in business day abolished
GB/T 12689.14-1990 Zinc and zinc alloys―Determination of aluminium content―Chromazurol S spectrophotometric method 180.0 via email in business day abolished
GB/T 12689.4-1990 Zinc and zinc alloys―Determination of arsenic content―Molybdenum blue spectrophotometric method 180.0 via email in business day abolished
GB/T 12689.5-1990 Zinc and zinc alloys―Determination of silicon content―Molybdenum blue spectrophotometric method 180.0 via email in business day abolished
GB/T 12689.6-1990 Zinc and zinc alloys―Determination of tin content―Phenylfluorone-cetyltrimethyla-mmonium bromide spectrophotometric method 180.0 via email in business day abolished
GB/T 12689.7-1990 Zinc and zinc alloys―Determination of magnesium content―Flame atomic absorption spectrometric method 180.0 via email in business day abolished
GB/T 12689.7-2010 Methods for chemical analysis of zinc and zinc alloys—Part 7:Determination of magnesium content—Flame atomic absorption spectrometric method 160.0 via email in 1~3 business day valid
GB/T 13588-1992 Classification and specification for scraps and waste componet of lead and lead alloy 264.0 via email in 1~3 business day abolished
GB/T 13588-2006 Scraps of lead and lead alloy 120.0 via email in 1~3 business day valid


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