GB/T 24487-2009 Alumina

GB/T 24487-2022 Alumina

GB/T 6609.1-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of moisture-Gravimetric method GB/T 6609.1-2018 Chemical analysis methods and determination of physical performance of alumina—Part 1:Determination of trace elements content—Inductively coupled plasma atomic emission spectrometry method 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 6609.6-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of potassium oxide content-Flame photometric method GB/T 6609.6-2018 Chemical analysis methods and determination of physical performance of alumina—Part 6:Determination of potassium oxide content GB/T 6609.7-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of titanium dioxide content—Diantiprylmehane photometric method GB/T 6609.8-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of chromium sesquioxide content—Diphenyl carbazide photometric method GB/T 6609.9-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of cupric oxide content-2,9-Dimethyl-1,10phenanthroline photometric method GB/T 6609.10-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of vanadic oxide content-N-benzoy I-N-phenylhydroxylamine extraction photometric method GB/T 6609.11-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of manganous oxide content-Flame atomic absorption spectrophotometric method GB/T 6609.12-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of zinc oxide content-Flame atomic absorption spectrophotometric method GB/T 6609.12-2018 Chemical analysis methods and determination of physical performance of alumina—Part 12:Determination of zinc oxide content—Flame atomic absorption spectrometry method GB/T 6609.13-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of calcium oxide content-Flame atomic absorption spectrophotometric method GB/T 6609.14-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of fluorine content-Lanthanum-alizarincomplexone spectrophotometric method GB/T 6609.15-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of chlorine content-Ferric thiocyanate photometric method GB/T 6609.16-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of boron trioxide content-Curcumin spectrophotometric method GB/T 6609.17-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of phosphorus pentoxide content-Molybdenum blue spectrophotometric method GB/T 6609.18-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of sulfate content-N,N-dimethy I-P-pheny lenediamine spectrophotometric method GB/T 6609.19-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of lithia content-Flame atomic absorption spectrophotometric method GB/T 6609.19-2018 Chemical analysis methods and determination of physical performance of alumina—Part 19:Determination of lithium oxide content—Flame atomic absorption spectrometry method GB/T 6609.20-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of magnesia content-Flame atomic absorption spectrophotometric method GB/T 6609.21-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of gallium trioxide content-Butyrhodamine B spectrophotometric method 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 6609.24-2004 Chemical analysis methods and determination of physical performance of alumina—Measurement of the angle of repose GB/T 6609.25-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of untamped density GB/T 6609.25-2023 Chemical analysis methods and determination of physical performance of alumina—Part 25:Method for the determination of tapped and untapped density GB/T 6609.26-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of absolute density-Pycnometer method GB/T 6609.27-2004 Chemical analysis methods and determination of physical performance of alumina Particle size analysis-Sieving method GB/T 6609.27-2009 Chemical analysis methods and determination of physical performance of alumina—Part 27:Partical size analysis—Method using electriformed sieves GB/T 6609.27-2023 Chemical analysis methods and determination of physical performance of alumina—Part 27:Particle size analysis—Sieves method GB/T 6609.28-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of the fine particle size distribution(less than 60μm)-Method using electroformed sieves GB/T 6609.29-2004 Chemical analysis methods and determination of physical performance of alumina—Determination of an absorption index GB/T 6609.30-2009 Chemical analysis methods and determination of physical performance of alumina—Part 30:X-ray fluorescence spectrometric method for the determination content of trace elements GB/T 6609.30-2022 Chemical analysis methods and determination of physical performance of alumina—Part 30:Determination of trace elements—Wavelength dispersive X-ray fluorescence spectrometric method GB/T 6609.31-2009 Chemical analysis methods and determination of physical performance of alumina—Part 31:Determination of angle of flow GB/T 6609.32-2009 Chemical analysis methods and determination of physical performance of alumina—Part 32:Determination of α-alumina content by X-ray diffraction GB/T 6609.33-2009 Chemical analysis methods and determination of physical performance of alumina—Part 33:Determination of attrition index GB/T 6609.34-2009 Chemical analysis methods and determination of physical performance of alumina—Part 34:Method of calculating alumina content GB/T 6609.35-2009 Chemical analysis methods and determination of physical performance of alumina—Part 35:Determination of specific surface area by nitrogen adsorption GB/T 6609.35-2023 Chemical analysis methods and determination of physical performance of alumina—Part 35:Determination of specific surface area—Nitrogen adsorption method GB/T 6609.36-2009 Chemical analysis methods and determination of physical performance of alumina—Part 36:Determination of flow time 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