盖轲 董彦杰 葛玉巧
摘 要:提出了一种新的测定粉煤灰中二氧化硅的方法,该方法简单易行、快速、准确.
关键词:二氧化硅; 重量法; 化学肥料
分类号:O613.72 文献标识码:A
文章编号:1007-9912(2000)02-0058-03
Determination of Silicon Dioxide in Powder Coal Ash
GAI Ke DONG Yan-jie
(Department of Chemistry, Qinyang Teacher’s College, Xifeng Gansu 745000;)
GE Yu-qiao
(Yima Middle School of Qingyang county, Qingyang Gansu 745100, China)
Abstract:A new method to determine silicon dioxide in powder coal ash has been stated. The method is feasible, fast and accurate.
Key words:silicon dioxide; vaporization; chemical fertilizer

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