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YB/T 190.1-2015 Continuous casting mold powder. Determination of silicon dioxide content. Perchloric acid dehydration gravimetic method (USD) via email in 1 business day VALID
GB/T 5195.13-2017 Fluorspar—Determination of aluminium content—EDTA titration method (USD) via email in 1-3 business day VALID
ZB D 52001-1990 via email in ABOLISHED please email coc@codeofchina.com for quotation
YB/T 4166-2007 Specifications of gas purification and dust collector for electric furnace of silicon series alloys (USD) via email in 1-3 business day VALID
YB/T 5207-2005 Flint clay clinker (USD) via email in 1-3 business day VALID
YB/T 5278-1999 (USD) via email in 1-3 business day ABOLISHED
GB/T 5195.1-2017 Fluorspar—Determination of calcium fluoride content—EDTA titration method and distillation-potentiometric titration method (USD) via email in 1-3 business day VALID
GB/T 5195.18-2018 Fluorspar—Determination of barium sulfate content—Gravimetric method (USD) via email in 1-3 business day VALID
GB/T 3286.5-1998 Chemical analysis of limestone and dolomite-The EDTA volumetric method for determination of alumimium oxide via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 3286.6-2014 Methods for chemical analysis of limestone and dolomite—Part 6:The determination of phosphorus content—The phosphomolybdate blue spectrophotometric method (USD) via email in 1-3 business day VALID
GB/T 22564-2008 Fluorspar - Sampling and sample preparation (USD) via email in 1-3 business day VALID
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