EDTA-2Na滴定法测定甲紫糊中氧化锌的含量

Determination of ZnO in Gentian Violet by EDTD-2Na Titration

建立了用EDTA - 2Na法测定甲紫糊中氧化锌含量的方法 ,方法简便 ,准确 ,线性范围0 0 194～ 0 2 0 11g ,r=0 99999(n =5) ,方法的平均加样回收率为 10 0 0 2 % ,RSD为 0 0 82 % (n=5)。

The method of determining ZnO in gentian violet by EDTA-2Na titration was established.The method is simple and accurate.The linear rage is 0 0194～0 2011 g, r =0 99999( n =5).The average sample recovery is 100 02%,RSD 0 082%( n =5).