摘要
现行的化学耗氧量测定方法中的重铬酸钾法,要求沸腾回流2h,耗时太多,本文对缩短沸腾回流时间进行了探讨。
The current measuring Chemical Oxygen Demand uses the way of K Gr O. It needs two hours of boiling circling. But it spends too long time. This essay is about shortening the time of boiling circling.
出处
《阜阳师范学院学报（自然科学版）》
1998年第4期91-93,共3页
Journal of Fuyang Normal University(Natural Science)
