YS/T 89-2011 Calcined α-alumina

YS/T 89-1995 Calcined α-alumina

GB/T 6609.2-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of the loss of mass at 1100°C-Gravimetric method GB/T 6609.2-2009 Chemical analysis methods and determination of physical performance of aluminium hydroxide—Part 2:Determination of loss of mass at 300 ℃ and 1 000 ℃ GB/T 6609.2-2022 Chemical analysis methods and determination of physical performance of alumina—Part 2:Determination of loss ofmass at 300 ℃ and 1 000 ℃ GB/T 6609.3-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of silicon dioxide content-Molybdenum blue photometric method GB/T 6609.4-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of ferric oxide content-Orthophenanthroline photometric method GB/T 6609.5-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of sodium oxide content GB/T 6609.22-2004 Chemical analysis methods and determination of physical performance of alumina—Sampling GB/T 6609.23-2004 Chemical analysis methods and determination of physical performance of alumina—Preparation and storage of test samples GB/T 6609.26-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of absolute density-Pycnometer method GB/T 6609.37-2009 Chemical analysis methods and determination of physical performance of alumina—Part 37:Determination of the particles size content less then 20 μm 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 19077.1-2003 Particle size analysis—Laser diffraction method GB/T 19077.1-2008 Particle size analysis—Laser diffraction methods—Part 1:General principles YS/T 619-2007 Classification and brand nomenclature of the chemicals of alumina YS/T 619-2021 Fine Alumina classification and designation naming