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新虫 (小有名气)

[求助] 镍酸锂粒度疑问,求助大佬!! 已有1人参与

镍酸锂成品、掺混批的酸处理后的粒度分布不是很稳定,粒度仪是马尔文2000粒度仪,物质方法用的是Carbon,三元系列的折射率2.42,分散剂是水,酸处理取5g样品,加100ml,1mol/L的乙酸,超声40min,用酸超声两遍,第三遍用UP水再超40min,后烘干40min,测试样品的中值粒径总是大于7微米,Dmax18-20微米,同一个样品测试多遍,平衡性不好,测试中的中值粒径在7微米比较多,而5.8-6.5就比较难测,是酸处理的问题,还是测样的方法问题,还是........?@langzhizhou
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新虫 (初入文坛)

【答案】应助回帖

分散剂用酒精应该会好点
2楼2020-07-10 10:05:09
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