GB/T 3286.4-2012 Methods for chemical analysis of limestone and dolomite—Part 4:The determination of iron oxide content—The o-phenanthroline spectrophotometric method and the flame atomic absorption spectrometric method

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 3286.2-2012 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 3286.3-2012 Methods for chemical analysis of limestone and dolomite—Part 3:The determination of aluminium oxide content—The chrome azurol S spectrophotometric method and the complexometric titration method

GB/T 3286.4-1998 Methods for chemical analysis of limestone and dolomite—The determination of iron oxide content

GB/T 2007.2-1987 General rules for the sampling and sample preparation of minerals in bulk Sample preparation by manual method 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 3286.3-1998 Methods for chemical analysis of limestone and dolomite—The determination of aluminium oxide content GB/T 3286.3-2012 Methods for chemical analysis of limestone and dolomite—Part 3:The determination of aluminium oxide content—The chrome azurol S spectrophotometric method and the complexometric titration method GB/T 6379.2-2004 Accuracy(trueness and precision)of measurement methods and results—Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 7728-2021 Chemical analysis of metallurgical products—General rule for flame atomic absorption spectrometric methods GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 3286.2-2025 Methods for chemical analysis of limestone and dolomite—Part 2:Determination of silicon and aluminium content