YB 4065-1991 Magnesite concentrate

GB 5689 GB/T 1467-2008 Method for chemical analysis of metallurgy product—General rules and regulations 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 2007.3-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental method for evaluation of quality variation GB/T 2007.4-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental methods for checking the precision GB/T 2007.4-2008 General rules for the sampling and sample preparation of minerals in bulk—Experimental methods for checking the precision and bias GB/T 2007.5-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental method for checking the bias of sampling GB/T 2007.6-1987 General rules for the sampling and sample preparation of minerals in bulk—Determination of moisture content—Heat drying 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 5069-2007 Chemical analysis of magnesia-alumina refractories GB/T 5069-2015 Chemical analysis of magnesia-alumina refractories GB/T 5069-2024 Chemical analysis of magnesia-alumina refractories GB/T 5069.1-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials—Gravimetric method for determination of loss on ignition GB/T 5069.2-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials—Molybdenum blue photometric method for determination of silicon dioxide content GB/T 5069.3-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials—Gravimetric-molybdenum blue photometric method for determination of silicon dioxide content GB/T 5069.4-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials—Ortho-phenanthroline photometric method for determination of iron oxide content GB/T 5069.5-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials—Flame atomic absorption spectrometric method for determination of iron oxide content GB/T 5069.6-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials—Chromazurol S photometric method for determination of aluminium oxide content GB/T 5069.7-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials—EDTA titrametric method for determination of aluminium oxide content GB/T 5069.8-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials—Diantipyrylmethane photometric method for determination of titanium dioxide content GB/T 5069.9-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials—Hydrogen peroxide photometric method for determination of titanium dioxide content GB/T 5069.10-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials—Flame atomic absorption spectrometric method for determination of calcium oxide content GB/T 5069.11-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials—Complexometric titration method for determination of calcium oxide and magnesium oxide content GB/T 5069.12-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials—Flame atomic absorption spectrometric method for determination of manganese oxide content GB/T 5069.13-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials—Flame atomic absorption spectrometric method for determination of potassium oxide and sodium oxide content