EDTA滴定法测药物制剂中的ZnO:定量分析在实践中的应用
赵宏伟, 槐佳孟, 王泽, 陈霞

Complexometric Titration for the Determination of Zno in Pharmaceutical Preparations: Application of Quantitative Chemical Analysis in Practice
Hongwei Zhao, Jiameng Huai, Ze Wang, Xia Chen
表4 学生使用痱子粉样品获得的氧化锌含量的比较
mZnO/(mg?g?1)标签值/(mg?g?1)RSD/%Er/%
4.957150.22?0.85
4.96240.13?0.75
4.95170.11?0.96
4.96500.38?0.69
4.97040.32?0.59
4.95710.25?0.85
4.94910.50?0.98
4.95440.48?0.91
4.97840.10?0.43
5.00240.330.05