例句 /

The manipulation of methylene blue two-phase back titration process for determining the content of anionic surface active agent existing in javelle water was introduced, as well as its determination result.

The manipulation of methylene blue two-phase back titration process for determining the content of anionic surface active agent existing in javelle water was introduced, as well as its determination result.

叙述了采用亚甲基蓝—两相返滴定法测定次氯酸钠消毒液中阴离子表面活性剂的具体操作和结果。