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GB/T 33948.1-2017 Method for chemical analysis of copper-steel composite metal—Part 1:Determination of copper content—Iodine titration method 120 (USD) via email in 1-3 business day VALID
GB/T 10574.7-2017 Methods for chemical analysis of tin-lead solders—Part 7:Determination of silver content—Flame atomic absorption spectrometry and potassium thiocyanate potentiometric titra 180 (USD) via email in 1-3 business day VALID
GB/T 8151.20-2012 Methods for chemical analysis of zinc concentrates—Part 20:Determination of copper,lead,iron,arsenic,cadmium antimony,calcium,magnesium contents—Inductively coupled plasma atomic emission spectrometry 180 (USD) via email in 1-3 business day VALID
YS/T 746.16-2010 Methods for chemical analysis of lead-free tin-based solders—Part 16:Determination of total rare earth content—Arserazo Ⅲ spectrophotometry 120 (USD) via email in 1-3 business day VALID
YS/T 1157.4-2016 Methods for chemical analysis of Crude Cobalt hydroxide—Part 4:Determination of manganese content—Potentiometric titration method 120 (USD) via email in 1-3 business day VALID
GB 5122.9-1985 45 (USD) via email in 1-3 business day ABOLISHED
GB 8220.4-1987 75 (USD) via email in 1-3 business day ABOLISHED
YS/T 227.11-2010 Methods for chemical analysis of tellurium—Part 11:Determination of silicon content—N-butanol extraction molybdenum blue spectrophotometry 120 (USD) via email in 1-3 business day VALID
GB/T 8151.1-2012 Methods for chemical analysis of zinc concentrates—Part 1:Determination of zinc content—Precipitate separation-Na2EDTA titrimetric method and extractive separation-Na2EDTA titrimetric method 180 (USD) via email in 1-3 business day VALID
GB/T 3260.10-2013 Methods for chemical analysis of tin—Part 10:Determination of cadmium content—Flame atomic absorption spectrometric method 120 (USD) via email in 1-3 business day VALID
GB/T 10574.6-1989 Tin-lead solders-Determination of arsenic content-Molybdoantimony arsenate blue spectrophotometric 60 (USD) via email in 1-3 business day ABOLISHED
YS/T 716.6-2009 Methods for chemical analysis of low grade blister—Part 6:Determination of arsenic,bismuth,nickel,lead,antimony,tin and zinc contents—Inductively coupled plasma-atomic emission spectrometry 120 (USD) via email in 1-3 business day VALID
GB/T 12689.9-1990 The methods for chemical analysis of zinc and zinc alloys-The determination of antimony content-Th 120 (USD) via email in 1-3 business day ABOLISHED
GB/T 12689.10-1990 Zinc and zinc alloys—Determination of lead content—Flame atomic absorption spectrometric method via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 12689.4-2004 The methods for chemical analysis of zinc and zinc alloys—The determination of copper content—The lead diethyldithio-carbamate spectrophotometric method and the flame atomic absorption spectrometric method and the electrolytic method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 248.10-2007 Methods for chemical analysis of crude lead-Determination of iron content-Flame atomic absorption spectrometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 746.7-2010 Methods for chemical analysis of lead-free tin-based solders—Part 7:Determination of iron content—Flame atomic absorption spectrometric method 120 (USD) via email in 1-3 business day VALID
GB 8002.11-1987 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 710.4-2009 Method for chemical analysis of cobalt oxide—Part 4:Determination of arsenic content—Atomic fluorescence spectrometry 120 (USD) via email in 1-3 business day VALID
GB/T 5121.19-1996 Copper and copper alloys-Determination of silver content 105 (USD) via email in 1-3 business day ABOLISHED
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