摘要
以茜素红S作指示剂，用BaCl2标准滴定溶液直接滴定芒硝中的SO42-，方法快速简便，分析结果与重量法相比无显著性差异，适用于工厂化验室芒硝样品的快速测定。
Use the indicator of alizarin reds, titrating whit BaCl2 standard titration solution, to determine SO42- in salt cake, the method is rapid and simple. Comparing with gravimetric method, the analysis result is not notabiy different. The method is applicable to determine rapidly SO42- of salt cake sample in factory labouratory.
出处
《洛阳工业高等专科学校学报》
2003年第4期1-2,共2页
Journal of Luoyang Technology College
