冶金用石英砂中二氧化硅化学分析方法研究  

Research on Chemical Analysis Method of Silica in Metallurgical Quartz Sand

作　　者：陈进 马恒 陈娜 陈娟 李鑫星 Chen Jin;Ma Heng;Chen Na;Chen Juan;Li Xin-xing

机构地区：[1]中铜东南铜业有限公司,福建宁德352000

出　　处：《化工设计通讯》2022年第5期88-90,共3页Chemical Engineering Design Communications

摘　　要：针对氟硅酸钾滴定法分析结果存在准确性差的问题,以铁、铝、铅、锌为代表,研究两性杂质元素以及氟硅酸钾在饱和氯化钾-乙醇溶液中的水解性质对分析结果的影响,找出最佳的分析条件,提高氟硅酸钾容量法分析结果的准确性。In view of the problem of poor accuracy in the analysis results of potassium fluorosilicate titration method,iron,aluminum,lead,and zinc were used as representatives to study the effect of amphoteric impurity elements and the hydrolysis properties of potassium fluorosilicate in saturated potassium chloride-ethanol solution.Analyze the influence of the results,find out the best analysis conditions,and improve the accuracy of the analysis results of the potassium fluorosilicate volumetric method.

关 键 词：氟硅酸钾容量法 两性杂质元素 水解 

分 类 号：TQ075[化学工程]