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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 $160.00 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analysis of limestone and dolomite --The determination of phosphorus content $90.00 via email in 1~3 business day superseded
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 $160.00 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chemical analysis of limestone and dolomite?The determination of sulphur content $150.00 via email in 1~3 business day superseded
GB/T 3286.7-2014 Methods for chemical analysis of limestone and dolomite―Part 7:The determination of sulphur content―The pipe furnace combustion iodic acid potassium titration method,the high frequency combustion with infrared absorption method and the barium sulfate g $370.00 via email in 1~5 business day valid
GB/T 3286.8-1998 Methods for chemical analysis of limestone and dolomite?limestone and dolomite?The determination of loss on ignition $184.00 via email in 1~3 business day superseded
GB/T 3286.8-2014 Method for chemical analysis of limestone and dolomite―Part 8:The determination of loss on ignition―The gravimetric method $150.00 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analysis of limestone and dolomite?The determination of carbon dioxide content $420.00 via email in 1~3 business day superseded
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 $550.00 via email in 1~5 business day valid
GB/T 33361-2016 Desulphurization injection lance of hot metal $100.00 immediately valid
GB/T 3714-2017 Manganese carbonate ore $100.00 via email in 1~3 business day valid
GB/T 5195.1-2017 Fluorspar--Determination of calcium fluoride content--EDTA titration method and distillation-potentiometric titration method $200.00 via email in 1~3 business day valid
GB/T 5195.10-2006 Fluorspar - Determination of iron content - 1, 10-phenanthroline spectrophotometric method $110.00 via email in 1~3 business day valid
GB/T 5195.11-2006 Fluorspar - Determination of manganese content - The periodate spectrophotometric method $145.00 via email in 1~3 business day superseded
GB/T 5195.12-2016 Fluorite―Determination of arsenic content―Atomic fluorescence spectrometry $160.00 via email in 1~3 business day valid
GB/T 5195.13-2017 Fluorspar--Determination of aluminium content--EDTA titration method $160.00 via email in 1~3 business day valid
GB/T 5195.14-2017 Fluorspar--Determination of magnesium content--Flame atomic absorption spectrometry $160.00 via email in 1~3 business day valid
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 $140.00 via email in 1~3 business day valid
GB/T 5195.16-2017 Fluorspar--Determination of silicon, aluminum, iron, potassium, magnesium and titanium content--Inductively coupled plasma atomic emission spectrometry $160.00 via email in 1~3 business day valid
GB/T 5195.17-2018 Fluorspar—Determination of flotation agents—Gravimetric method $160.00 via email in 1~3 business day valid
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