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GB/T 14506.31-2019 Methods for chemical analysis of silicate rocks—Part 31:Determination of 12 components including silicon dioxide etc.—Lithium metaborate fusion-inductively coupled plasma atomic emission spectrometry (USD) via email in 1-3 business day VALID
SY/T 5913-1994 (USD) via email in 1-3 business day ABOLISHED
SY/T 6210-1996 (USD) via email in 1-5 business day ABOLISHED
DB37/T 3209-2018 Implementation Guidelines for the Management and Control System of Risk Classification for Production Safety of Underground Gypsum Mine via email in VALID please email coc@codeofchina.com for quotation
DB37/T 1639.3-2018 Norm of water intake for main industrial products in Shandong Province Part 3: Nonmetallic Mineral Products via email in 1 business day VALID please email coc@codeofchina.com for quotation
YS/T 337-2009 Pyrite concentrate (USD) via email in 1-3 business day VALID
GB/T 5463.2-1985 Technical terms of non-metallic mineral products; Talc (USD) via email in 1-3 business day ABOLISHED
GB/T 5463.1-1985 Non-metallic mineral products; Commonly used terms (USD) via email in 1-3 business day ABOLISHED
GB/T 14506.32-2019 Methods for chemical analysis of silicate rocks—Part 32:Determination of 20 components including aluminium oxide etc.—Mixed acid digestion-inductively coupled plasma atomic emission spectrometry (USD) via email in 1-3 business day VALID
SY/T 5916-1994 via email in ABOLISHED please email coc@codeofchina.com for quotation
SY/T 5912-1994 via email in ABOLISHED please email coc@codeofchina.com for quotation
QB/T 2757-2005 Graphite for mercury- free alkaline zinc-manganese dioxide battery (USD) via email in 1-3 business day VALID
GB/T 5463.3-1986 Technical terms of non-metallic mineral products; Gypsum and anhydrite (USD) via email in 1-3 business day ABOLISHED
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