GB/T 32832-2025 Bauxite-based synthetic homogenized grogs

GB/T 32832-2016 Bauxite-based synthetic homogenized grogs

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 2999-2002 Refractory materials—Determination of bulk density of granular materials GB/T 2999-2016 Refractory materials—Determination of bulk density of granular materials GB/T 6900-2006 Chemical analysis of alumina-silica refractories GB/T 6900-2016 Chemical analysis of alumina-silica refractories GB/T 6900.1-1986 Fireclay and high-alumina refractories—Determination of loss content on ignition—Gravimetric method GB/T 6900.2-1986 Fireclay and high-alumina refractories—Determination of silicon dioxide content—Gravimetric-molybdenum blue photometric method GB/T 6900.3-1986 Fireclay and high-alumina refractories—Determination of iron oxide content—o-Phenanthroline photometric method GB/T 6900.4-1986 Fireclay and high-alumina refractories—Determination of aluminium oxide content—EDTA volumetric method GB/T 6900.5-1986 Fireclay and high-alumina refractories—Determination of titanium dioxide content—Hydrogen peroxide photometric method GB/T 6900.6-1986 Fireclay and high-alumina refractories—Determination of calcium oxide content—EDTA volumetric method GB/T 6900.7-1986 Fireclay and high-alumina refractories—Determination of magnesium oxide content—Xylidyl blue Ⅰ-CTAB photometric method GB/T 6900.8-1986 Fireclay and high-alumina refractories—Determination of calcium oxide and magnesium oxide content—Atomic absorption spectrophotometric method GB/T 6900.9-1986 Fireclay and high-alumina refractories—Determination of potassium oxide and sodium oxide content—Atomic absorption spectrophotometric method GB/T 6900.10-1986 Fireclay and high-alumina refractories—Determination of manganese oxide content—Ammonium persulfate photometric method GB/T 6900.11-1986 Fireclay and high-alumina refractories—Determination of phosphorous pentoxide content—Molybdenum blue photometric method GB/T 15545-1995 Unshaped refractory—Packing, marking, transportation and storage GB/T 15545-2020 General rules for packing,marking,transport,storage and quality certificates of unshaped refractory GB/T 17617-1998 Refractory products—Sampling of raw materials and unshaped products GB/T 17617-2018 Rule of sampling and inspection for refractory raw materials GB/T 18930-2002 Terminology for refractories GB/T 18930-2020 Terminology for refractories GB/T 21114-2007 Chemical analysis of refractory products by XRF—Fused cast bead method GB/T 21114-2019 Refractories—Chemical analysis by X-ray fluorescence(XRF)—Fused cast-bead method JB/T 6570-2020 The determination method of magnetic content for ordinary abrasives JB/T 6570-2020 JB/T 6570-2007 The content of magnetic materials in ordinary abrasive JB/T 6570-2007 for measurement method JB/T 6570-1993 JBT 6570-1993 Test method for magnetic content of general abrasives YB/T 5142 GB/T 2999-2025 Refractory materials—Determination of bulk density of granular materials GB/T 6900-2025 Chemical analysis of alumino-silicate refractories