标准摘要
[中文适用范围]： 本国际标准规定了测定通过 20 瓮孔径筛的冶炼级氧化铝颗粒质量百分比的湿筛程序。 该程序适用于 -20 um 含量高达 4% 的氧化铝。 [外文原描述]： ISO 23202:2006 sets out a wet-sieving procedure for the determination of the percentage by mass of particles of smelter-grade alumina passing a 20 micrometre aperture sieve. This procedure is applicable for aluminas with a minus 20 micrometre content up to 4 %.
英文名称Aluminium oxide used for the production of aluminium — Determination of particles passing a 20 micrometre aperture sieve