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Particle size distribution of alumina powders derived from ammonium aluminum carbonate hydroxide (ammonium dawsonite)

机译:氢氧化铝碳酸铝铵(片钠铝石)衍生的氧化铝粉末的粒度分布

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The present paper describes a study on particle size distribution of alumina powders obtained from thermal decomposition of ammonium dawsonite. The ammonium dawsonite, an ammonium aluminum carbonate hydroxide, was synthesized from solutions of ammonium alum and ammonium hydrogen carbonate, and thermally decomposed at different temperatures. According to the results of the particle size distribution, the values obtained from bi-modal curves were analyzed for determination of the average grain-size in each model.
机译:本文描述了对钙钠铝石热分解得到的氧化铝粉末粒度分布的研究。由铝矾土和碳酸氢铵溶液合成碳酸铝铵氢氧化钠片钠铝石,并在不同温度下热分解。根据粒度分布的结果,分析从双峰曲线获得的值,以确定每个模型中的平均粒度。

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