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GB/T 6609.20-2004 Chemical analysis methods and Determination of physical performance of alumina Determination of magnesia content-Flame atomic absorption spectrophotometric method $100.00 via email in 1~3 business day valid
GB/T 6609.21-2004 Chemical analysis methods and Determination of physical performance of alumina Determination of gallium trioxide content-Butyrhodamine B spectrophotometric method $100.00 via email in 1~3 business day valid
GB/T 6609.22-2004 Chemical analysis methods and Determination of physical performance of alumina Sampling $90.00 via email in 1~3 business day valid
GB/T 6609.23-2004 Chemical analysis methods and Determination of physical performance of alumina Preparation and storage of test samples $84.00 via email in 1~3 business day valid
GB/T 6609.24-2004 Chemical analysis methods and Determination of physical performance of alumina Measurement of the angle of repose $100.00 via email in 1~3 business day valid
GB/T 6609.25-2004 Chemical analysis methods and Determination of physical performance of alumina Determination of untamped density $100.00 via email in 1~3 business day superseded
GB/T 6609.26-2004 Chemical analysis methods and Determination of physical performance of alumina Determination of absolute density-Pycnometer method $124.00 via email in 1~3 business day valid
GB/T 6609.27-2004 Chemical analysis methods and Determination of physical performance of alumina Particle size analysis-Sieving method $184.00 via email in 1~3 business day superseded
GB/T 6609.27-2009 Chemical analysis methods and determination of physical performance of alumina - Part 27: Partical size analysis - Method using electriformed sieves $100.00 via email in 1~3 business day superseded
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fine particle size distribution(less than 60μm)-Method using electroformed sieves $100.00 via email in 1~3 business day superseded
GB/T 6609.29-2004 Chemical analysis methods and Determination of physical performance of alumina Determination of an absorption index $100.00 via email in 1~3 business day valid
GB/T 6609.3-1986 Methods for chemical analysis of aluminium oxide--The molybdenum blue photometric method for the determination of silicon dioxide content $180.00 via email in business day valid
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 centent of trace elements $160.00 via email in 1~3 business day abolished
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 $195.00 via email in 1~3 business day valid
GB/T 6609.31-2009 Chemical analysis methods and determination of physical performance of alumina - Part 31: Determination of angle of flow $180.00 via email in 1~3 business day valid
GB/T 6609.32-2009 Chemical analysis methods and determination of physical performance of alumina - Part 32: Determination of a-alumina content by X-ray diffraction $120.00 via email in 1~3 business day valid
GB/T 6609.33-2009 Chemical analysis methods and determination of physical performance of alumina - Part 33: Determination of attrition index $180.00 via email in 1~3 business day valid
GB/T 6609.34-2009 Chemical analysis methods and determination of physical performance of alumina - Part 34: Method of calculating alumina content $120.00 via email in 1~3 business day valid
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 $180.00 via email in 1~3 business day superseded
GB/T 6609.36-2009 Chemical analysis methods and determination of physical performance of alumina - Part 36: Determination of flow time $160.00 via email in 1~3 business day valid
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