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YS/T 716.3-2009 Methods for chemical analysis of low grade blister—Part 3:Determination of bismuth,nickel,lead,antimony and zinc contents—Flame atomic absorption spectrometry 180 (USD) via email in 1-3 business day VALID
YS/T 281.7-1994 Cobalt -- Determination of zinc content -- Flame atomic absorption spectrophotometric method 75 (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 180 (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 120 (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 180 (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 120 (USD) via email in 1-3 business day VALID
GB 8648.14-1988 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 252.4-1994 30 (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 105 (USD) via email in 1-3 business day ABOLISHED
YS/T 710.1-2009 Method for chemical analysis of cobalt oxide—Part 1:Determination of cobalt content—Potentiometric method 120 (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 90 (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 90 (USD) via email in 1-3 business day ABOLISHED
YS/T 475.1-2005 Methods for chemical analysis of cast bearing metals -- Determination of tin content -- Potassium iodate titrimetric method 105 (USD) via email in 1-3 business day VALID
YS/T 461.4-2003 The methods for chemical analysis of lead and zine mixed concentrates—The determination of arsenic content—The iodimetric method 75 (USD) via email in 1-3 business day ABOLISHED
GB 8550.20-1987 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 521.3-2006 Methods for chemical analysis of blister copper -- Determination of gold and silver contents 75 (USD) via email in 1-3 business day ABOLISHED
YS/T 716.4-2009 Methods for chemical analysis of low grade blister—Part 4:Determination of arsenic content—Iodimetry 120 (USD) via email in 1-3 business day VALID
GB 8002.14-1987 60 (USD) via email in 1-3 business day ABOLISHED
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