Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YB/T 5208-1993 Magnesitc 15.0 via email in 1~3 business day abolished
GB/T 5195.10-2006 Fluorspar - Determination of iron content - 1, 10-phenanthroline spectrophotometric method 60.0 via email in 1~3 business day valid
GB/T 3286.6-1998 Methods for chemical analysis of limestone and dolomite --The determination of phosphorus content 90.0 via email in 1~3 business day superseded
GB/T 5195.5-2017 Fluorspar--Determination of total sulfur content--Pipe furnace combustion iodic acid potassium titration method 160.0 via email in 1~3 business day valid
GB/T 3286.7-1998 Methods for chemical analysis of limestone and dolomite?The determination of sulphur content 150.0 via email in 1~3 business day superseded
GB/T 32554-2016 Fluorspar―Experimental methods for checking the bias of sampling and sample preparation 210.0 via email in 1~3 business day valid
YB/T 045-2005 Test method for thickness of flake graphite 75.0 via email in 1~3 business day valid
GB/T 22564-2008 Fluorspar - Sampling and sample preparation 285.0 via email in 1~5 business day valid
GB/T 32549-2016 Fluorspar―Experimental methods for evaluation of quality variation 210.0 via email in 1~3 business day valid
GB/T 5195.7-2016 Fluorspar―Determination of zinc content―Flame atomic absorption spectrophotometric method 150.0 via email in 1~3 business day valid
GB/T 5195.13-2017 Fluorspar--Determination of aluminium content--EDTA titration method 170.0 via email in 1~3 business day valid
GB/T 31311-2014 Metallurgical-grade fluorspar―Determination of lead content―Solvent extraction atomic absorption spectrometric method 150.0 via email in 1~3 business day valid
GB/T 3286.9-2014 Method for chemical analysis of limestone and dolomite―Part 9:The determination of carbon dioxide content―The caustic asbestos absorption gravimetric method 530.0 via email in 1~5 business day valid
GB/T 5195.1-2017 Fluorspar--Determination of calcium fluoride content--EDTA titration method and distillation-potentiometric titration method 240.0 via email in 1~3 business day valid
GB/T 31312-2014 Metallurgical grade fluorspar―Determination of antimony content―Solvent extraction atomic absorption spectrometric method 150.0 via email in 1~3 business day valid
GB/T 33361-2016 Desulphurization injection lance of hot metal 100.0 via email in 1~3 business day valid
YB/T 190.1-2015 Continuous casting mold powder. Determination of silicon dioxide content. Perchloric acid dehydration gravimetic method 124.0 via email in business day valid
YB/T 5266-1999 via email in business day superseded
GB/T 5195.19-2018 Fluorspar—Determination of arsenic content—Silver diethyldithiocarbamate spectrometric method 225.0 via email in 1~3 business day valid
YB/T 4166-2007 Specifications of gas purification and dust collector for electric furnace of silicon series alloys 135.0 via email in 1~3 business day valid
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