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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 (USD) via email in 1-3 business day VALID
GB/T 13818-1992 Zinc die-casting alloys via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 1470-1988 Lead and lead-antimony alloy plate via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 8152.13-2017 Methods for chemical analysis of lead concentrates—Part 13:Determination of thallium content—Inductively coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry (USD) via email in 1-3 business day VALID
GB/T 26043-2010 Zinc and zinc alloys—Method of sampling—Specifications (USD) via email in 1-3 business day VALID
GB/T 2058-1989 Zinc anode plate via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 3884.16-2014 Methods for chemical analysis of copper concentrates—Part 16:Determination of silicon dioxide content—K2SiF6 titrimetric method and gravimetric method (USD) via email in 1-3 business day VALID
GB/T 4372.4-2001 Methods for chemical analysis of zinc oxide produced by direct process-Determination of cadmium oxide content-Atomic absorption spectrometry method (USD) via email in 1-3 business day ABOLISHED
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