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1 物料和方法在研究中刚玉作为氧化铝的最纯的形态使用。使用的各种粒级赤铁矿和石英样品的质量见附表。所有样品用标准湿式化学法进行化学分析。附表 所用原料的质量粒级/μｍ赤 铁 矿ＴＦｅＳｉＯ2Ａｌ2Ｏ3ＬＯＩＦｅ2Ｏ3石英ＳｉＯ2-150+7565.51.52.21.493.799.72-7
1 Materials and methods Corundum is used as the purest form of alumina in the study. The quality of various particle size hematite and quartz samples used is given in the attached table. All samples were chemically analyzed using standard wet chemistry. Schedule of raw materials used in the quality grade / μm Hematite TFeSiO2Al2O3LOIFe2O3 Quartz SiO2-150 +7565.51.52.21.493.799.72-7