YB/T 421-2005 Iron and sintering ore

YB/T 421-2014 Iron sintered ore

GB/T 10122-1988 Iron ores (sinter and pellets)—Sampling and sample preparation for physical testing GB/T 10322.1-2000 Iron ores—Sampling and sample preparation procedures GB/T 10322.1-2014 Iron ores—Sampling and sample preparation procedures GB/T 10322.1-2023 Iron ores—Sampling and sample preparation procedures GB/T 13241-1991 Iron ores—Determination of reducibility GB/T 13241-2017 Iron ores—Determination of reducibility GB/T 13242-1991 Iron ores—Low-temperature disintegration test—Method using cold tumbling after static reduction GB/T 13242-2017 Iron ores—Low-temperature disintegration test—Method using cold tumbling after static reduction GB/T 14202-1993 Iron ores (sinter and pellets)—Determination of bulk density 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 6730.13-1986 Methods for chemical analysis of iron ores The potassium permanganate volumetric method for the determination of calcium content GB/T 6730.13-2007 Iron ores—Determination of calcium and magnesium content—EGTA-CyDTA titrimetric method GB/T 6730.17-1986 Methods for chemical analysis of iron ores The eombustion iodometric method for the determination of sulfur content GB/T 6730.17-2014 Iron ores—Determination of sulfur content—Combustion iodometric method GB/T 6730.5-1986 Methods for chemical analysis of iron ores The titanium chloride-potassium dichromate volumetric method for the determination of total iron content GB/T 6730.5-2007 Iron ores—Determination of total iron content—Titanium(Ⅲ)chloride reduction methods GB/T 6730.5-2022 Iron ores—Determination of total iron content—Titrimetric methods after titanium(Ⅲ) chloride reduction GB/T 6730.8-1986 Methods for chemical analysis of iron ores The potassium dichromate volumetric method for the determination of iron (Ⅱ) content GB/T 6730.8-2016 Iron ores—Determination of iron(Ⅱ) content—Potassium dichromate titrimetric method GB/T 6730.9-1986 Methods for chemical analysis of iron ores The silicomolybdic blue photometric method for the determination of silicon content GB/T 6730.9-2006 Iron ores—Determination of silicon contents—The silicomolybdic blue spectrophotometric method reduce by ammonium ferrous sulfate GB/T 6730.9-2016 Iron ores—Determination of silicon content—Silicomolybdic blue spectrophotometric method reduced by ammonium ferrous sulfate YB/T 5142 YB/T 5166 GB/T 6730.13-2025 Iron ores—Determination of calcium and magnesium content—EGTA-CyDTA titrimetric method