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GB/T 22563-2008E All grades of fluorspar-Determination of moisture content of a lot 180 (USD) via email in 1-3 business day VALID
YB/T 5206-2004 Caustic burned magnesia 60 (USD) via email in 1-3 business day VALID
GB/T 3286.4-2012 Methods for chemical analysis of limestone and dolomite - Part 4: The determination of iron oxide content - The o-phenanthroline spectrophotometric method and the flame atomic absorption spectrometric method via email in VALID please email coc@codeofchina.com for quotation
GB/T 3714-2017 Manganese carbonate ore 120 (USD) via email in 1-3 business day VALID
YB/T 4265-2011 Pre-melted calcium-aluminate for steel making via email in VALID please email coc@codeofchina.com for quotation
GB/T 5195.19-2018 Fluorspar—Determination of arsenic content—Silver diethyldithiocarbamate spectrometric method 240 (USD) via email in 1-3 business day VALID
YB/T 4216-2010 Sintered alumina via email in VALID please email coc@codeofchina.com for quotation
GB/T 3286.15-1993 Methods for chemical analysis of limestone and dolomite--The combustion-potassium iodate titration method for the determination of sulphur content 75 (USD) via email in 1-3 business day ABOLISHED
GB/T 5195.15-2017 Fluorspar—Determination of calcium, aluminum, silicon, phosphorus, sulfur, potassium, iron, barium and lead content—Wavelength dispersive X-ray fluorescence spectrometric method via email in VALID please email coc@codeofchina.com for quotation
YB/T 4019-1991 120 (USD) via email in 1-3 business day ABOLISHED
GB/T 3286.5-2014 Method for chemical analysis of limestone and dolomite—Part 5:The determination of manganese oxide content—The periodate oxidation spectrophotometric method 180 (USD) via email in 1-3 business day VALID
YB/T 5180-2005 Test method of impurity for flint clay and bauxite clinker 75 (USD) via email in 1-3 business day VALID
GB/T 5195.12-2016 Fluorite—Determination of arsenic content—Atomic fluorescence spectrometry 180 (USD) via email in 1-3 business day VALID
GB/T 32549-2016 Fluorspar—Experimental methods for evaluation of quality variation 240 (USD) via email in 1-3 business day VALID
GB/T 5195.3-2017 Fluorspar—Determination of loss in mass at 105 ℃—Gravimetric method 120 (USD) via email in 1-3 business day VALID
GB/T 3286.9-1998 Methods for chemical analysis of limestone and dolomite?The determination of carbon dioxide content via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 32553-2016 Fluorspar—Method of determining the precision of sampling and sample preparation 240 (USD) via email in 1-3 business day VALID
GB/T 5195.7-2016 Fluorspar—Determination of zinc content—Flame atomic absorption spectrophotometric method 180 (USD) via email in 1-3 business day VALID
YB/T 4065-1991 60 (USD) via email in 1-3 business day ABOLISHED
GB/T 5195.6-2017 Fluorspar—Determination of phosphorus content—Photometric method 180 (USD) via email in 1-3 business day VALID
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