摘要
对磷钒钼黄比色法测定磷酸盐显色条件进行选择 ,找出最佳显色条件并改进。改进后方法的测定范围在 0～0 0 14mg/mL ,相关系数为 1 0 0 0 0 ,并对循环冷却水中磷酸盐作准确实验 ,得回收率为 90 %～ 10 0 % ,与原钼蓝法作对比实验 ,说明循环冷却水中磷酸盐的测定选择磷钒钼黄比色法较理想 。
The paper chooses the coloration conditions in determining phosphate using phosphorus vanadium molybdate yellow colorimetric method,finds the best coloration conditions and improves it The improved method has a detection field of 0～0 014mg/mL,and a relative index of 1 0000 After a precise testing of the phosphate in the recycling cooling water,we get a recovery rate of 90%～100% Compared with the old molybdate blue method,this method is more ideal in determining the phosphate content in the recycling cooling water and has better selectivity and repeatability
出处
《大氮肥》
CAS
2001年第5期351-354,共4页
Large Scale Nitrogenous Fertilizer Industry
关键词
磷钒钼黄比色法
钼蓝法
测定
循环冷却水
磷酸盐
phosphorus vanadium molybdate yellow colorimetric method, analysis conditions,discussion,molybdate blue method
