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YS/T 281.7-1994 Cobalt -- Determination of zinc content -- Flame atomic absorption spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
ZB H 13001.5-1988 via email in ABOLISHED please email coc@codeofchina.com for quotation
YS/T 53.2-2010 Methods for chemical analysis of copper,lead,zinc original and tailing ores—Part 2:Determination of gold content—Separation and preconcentration by flow injection and 8531 fiber micro-column-the flame atomic absorption spectrum method (USD) via email in 1-3 business day VALID
GB/T 4103.10-2012 Methods for chemical analysis of lead and lead alloys - Part 10: Determination of silver content (USD) via email in 1-3 business day VALID
YS/T 746.14-2010 Methods for chemical analysis of lead-free tin-based solders—Part14:Determination of phosphorus content—Crystal violet phosphorus-vanadium-molybdenum heteropoly acid spectrophotometry (USD) via email in 1-3 business day VALID
YS/T 35-2012 Method for chemical analysis of high purity antimony-Determination of magnesium,zinc,nickel,copper,silver,cadium,iron,sulfur,arsenic,gold,manganese,lead,bismuth,silicon,selenium-High-mass resolution glow discharge mass spectrometry (USD) via email in 1-3 business day VALID
GB/T 4103.3-2012 Methods for chemical analysis of lead and lead alloys - Part 3: Determination of copper content (USD) via email in 1-3 business day VALID
GB/T 4103.16-2009 Methods for chemical analysis of lead and lead alloys—Part 16:Determination of copper,silver,bismuth,arsenic,antimony,tin and zinc contents—Optical emission spectrometry (USD) via email in 1-3 business day VALID
GB/T 5121.29-2015 Methods for chemical analysis of copper and copper alloys—Part 29: Determination of aluminium oxide content (USD) via email in 1-3 business day VALID
YS/T 521.1-2009 Methods for chemical analysis of blister copper—Part 1:Determination of copper content—Iodimetry (USD) via email in 1-3 business day VALID
GB/T 12689.14-1990 Zinc and zinc alloys—Determination of aluminium content—Chromazurol S spectrophotometric method via email in ABOLISHED please email coc@codeofchina.com for quotation
GB 8648.14-1988 (USD) via email in 1-3 business day ABOLISHED
YS/T 252.4-1994 (USD) via email in 1-3 business day ABOLISHED
YS/T 536.5-2006 Methods for chemical analysis of bismuth -- Determination of zinc content --Solid-liquid extraction-flame atomic absorption spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
GB/T 4103.13-2000 Methods for chemical analysis of lead and lead alloys Determination of aluminium content (USD) via email in 1-3 business day ABOLISHED
GB/T 4103.15-2009 Methods for chemical analysis of lead and lead alloys—Part 15:Determination of nickel content—Flame atomic absorption spectrophotometry (USD) via email in 1-3 business day VALID
YS/T 710.1-2009 Method for chemical analysis of cobalt oxide—Part 1:Determination of cobalt content—Potentiometric method (USD) via email in 1-3 business day VALID
YS/T 252.3-2007 Methods for chemical analysis of nickel matte-Determination of cobalt content-Flame atomic absorption spectrometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 536.2-2006 Methods for chemical analysis of bismuth -- Determination of iron content -- 1 10-phenanthroline photometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 521.2-2006 Methods for chemical analysis of blister copper -- Determination of arsenic content (USD) via email in 1-3 business day ABOLISHED
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