This International Standard specifies an instrumental method for the determination of specific surface area (SSA) of smelter-grade alumina (SGA) by nitrogen adsorption by a single- or multi-point method. A multi-point method is recommended due to the higher accuracy obtained; if a single-point method is used, a lower result will be obtained. NOTE Annex A provides an explanation of the difference between single- and multi-point determined BET SSA. This International Standard is applicable to aluminas having a surface area between 50 m/g and 90 m/g.
BS ISO 8008-2006由英国标准学会 GB-BSI 发布于 2006-01-23,并于 2006-01-23 实施。
BS ISO 8008-2006 在中国标准分类中归属于: D52 冶金辅助原料矿,在国际标准分类中归属于: 71.100.10 铝生产用材料。
BS ISO 8008-2006 主要用于铝生产的氧化铝.用氮吸收法测定表面吸附指数 由 BS 4140-23-1987 变更而来。
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