氯化钡溶液

本文以茜素红&S为吸附指示剂，醋酸调节pH2.6～2.9，用氯化钡标准溶液直接滴定硫酸钠含量。

A determination is reported for the direct titration of sodium sulfate with absorbing alizarin red-S and pH2.6-2.9 adjusted by HAc solution .

采用电导法，用氯化钡标准溶液滴定水样中硫酸根的含量，对测定结果的影响因素进行了探讨。

In this paper the content of sulfate radical was determined by conductance method using standard solution titration of barium chloride . The influence factors to the determination result were discussed .

提出了以乙醇为介质，钍试剂作指示剂，亚甲基蓝溶液作衬色剂，用氯化钡标准溶液作滴定剂，测定水样中硫酸根离子的方法。

A method for the determination of sulfate in water is established by using alcohol as the medium , thoron I as the indicator , methylene blue solution as the foil and barium chloride standard solution as the titrant .