This document specifies the technical requirements, test methods, inspection rules, signs, packaging, transportation, storage, quality certificates and purchase orders (or contracts) for alumina (Al2O3). This document is applicable to alumina produced from bauxite, recycled alumina raw materials, etc. as raw materials for the production of aluminum metal by molten salt electrolysis, and also applicable to the production of corundum, ceramics, refractory products and other alumina chemical products Aluminum oxide is used as raw material.
GB/T 6609.1 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 Chemical analysis methods and determination of physical performance of alumina—Part 2: Determination of loss of mass at 300 ℃ and 1000 ℃
GB/T 6609.24 Chemical analysis methods and determination of physical performance of alumina Measurement of the angle of repose
GB/T 6609.25 Methods of chemical analysis and determination of physical properties of alumina - Part 25: Determination of bulk and tapped densities*, 2023-08-06 Update
GB/T 6609.27 Methods of chemical analysis and determination of physical properties of alumina Part 27: Particle size analysis and sieving method*, 2023-08-06 Update
GB/T 6609.3 Chemical analysis methods and Determination of physical performance of alumina Determination of silicon dioxide content-Molybdenum blue photometric method
GB/T 6609.30 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 6609.32 Chemical analysis methods and determination of physical performance of alumina.Part 32:Determination of а-alumina content by X-ray diffraction
GB/T 6609.33 Chemical analysis methods and determination of physical performance of alumina-Part 33: Determination of attrition index
GB/T 6609.35 Methods of chemical analysis and determination of physical properties of alumina Part 35: Determination of specific surface area Nitrogen adsorption method*, 2023-08-06 Update
GB/T 6609.36 Chemical analysis methods and determination of physical performance of alumina-Part 36: Determination of flow time
GB/T 6609.4 Chemical analysis methods and determination of physical performance of alumina Determination of ferric oxide content-Orthophenanthroline photometric method
GB/T 6609.5 Chemical analysis methods and determination of physical performance of alumina Determination of sodium oxide content