GB/T 24184-2009 High calcium hot melt slag after desulphurization for sintering flux

GB/T 30897-2025 Steel slag for sintering

GB/T 2007.1-1987 General rules for the sampling and sample preparation of minerals in bulk—Sampling by manual method GB/T 2007.2-1987 General rules for the sampling and sample preparation of minerals in bulk Sample preparation by manual method GB/T 2007.7-1987 General rules for the sampling and sample preparation of minerals in bulk—The method for determination of size by manual sieving GB/T 3286.1-1998 Methods for chemical analysis of limestone and dolomite—The determination of calcium oxide and magnesium oxide content GB/T 3286.1-2012 Methods for chemical analysis of limestone and dolomite—Part 1:The determination of calcium oxide and magnesium oxide content—The complexometric titration method and the flame atomic absorption spectrometric method GB/T 3286.2-1998 Methods for chemical analysis of limestone and dolomite—The determination of silicon dioxide content GB/T 3286.2-2012 Methods for chemical analysis of limestone and dolomite—Part 2:The determination of silicon dioxide content—The silicomolybdic blue spectrophotometric method and the perchloric acid dehydration gravimetric method GB/T 3286.6-1998 Methods for chemical analysis of limestone and dolomite—The determination of phosphorus content 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 GB/T 3286.7-1998 Methods for chemical analysis of limestone and dolomite—The determination of sulphur content 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 gravimetric method GB/T 3286.2-2025 Methods for chemical analysis of limestone and dolomite—Part 2:Determination of silicon and aluminium content