论文部分内容阅读
用NH4F作掩蔽剂,甲基红做指示剂,用酸碱滴定法测HCl-FeCl3混合试液中的HCl,结果满意。
NH4F as a masking agent, methyl red as an indicator, with acid-base titration HCl-FeCl3 mixed test solution of HCl, the results were satisfactory.