GB/T 27692-2011 Acidity iron pellet for blast furnace

GB/T 27692-2024 Iron pellets for blast furnaces

YB/T 5142 YB/T 5166 GB/T 1361-2008 General rules and regulations for analysis of iron ores GB/T 1361-2024 General rules and regulations for analysis of iron ores 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 6730.9-1986 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 GB/T 6730.11-1986 Methods for chemical analysis of iron ores The fluoride replacement complexometric method for the determination of aluminum content GB/T 6730.11-2007 Iron ores—Determination of aluminium content—EDTA 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 6730.18-1986 Methods for chemical analysis of iron ores The n-butyl acetate extraction-molybdenum blue photometric method for the determination of phosphorus content GB/T 6730.18-2006 Iron ores—Determination of phosphorus content—Molybdenum blue spectrophotometric method GB/T 6730.62-2005 Iron ores—Determination of calcium,silicon,manganese,titanium,phosphorus magnesium,aluminium and barium content—Wavelength dispersive X-ray fluorescence spectrometric method 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 10322.7-2004 Iron ore—Determination of size distribution by sieving GB/T 10322.7-2016 Iron ores and direct reduced iron—Determination of size distribution by sieving GB/T 13240-1991 Iron ore pellets—Determination of relative free-swelling index GB/T 13240-2018 Iron ore pellets for blast furnace feedstocks—Determination of the free-swelling index 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 14201-1993 Iron ore pellets—Determination of crushing strength GB/T 14201-2018 Iron ore pellets for blast furnace and direct reduction feedstocks—Determination of the crushing strength GB/T 20565-2006 Iron ores and direct reduced iron—Vocabulary GB/T 20565-2022 Iron ores and direct reduced iron—Vocabulary GB/T 6730.11-2025 Iron ores—Determination of aluminium content—EDTA titrimetric method