苯菲尔溶液中钒分析方法的探讨

Inquiry into Analytical Method for Vanadium in Benfield Solution

对苯菲尔溶液中钒的分析测定方法进行了探讨。通过对冰醋酸比色法显色时间(沸水浴中的煮沸时间)的选择,提高了方法的灵敏度。通过对样品颜色干扰测定的试验,既消除了样品颜色的干扰,又提高了方法的准确度。通过对显色试剂(冰醋酸和碳酸钾)用量的探讨选择,达到了降低成本的目的。

An inquiry is made into the analytical method for vanadium in the Benfield solution. By selecting the development duration （ boiling time in a boiling water bath） of the glacial acetic acid colorimetry, the sensitivity of the method is improved, through tests on the determination of interference from the sample color, not only is its interference eliminated but also the accuracy of the method improved, and by probing into the choice of the volume of the developer （ glacial acetic acid and potassium carbonate） used, the aim of decrease in cost is achieved.