In oil content determination of oil-bearing waste water, We controled temperature And added in emulsion splitter to break emulsion layer between oil and water, eliminate activation of polymer. 本文论述在对含油废水含油量测定时,通过控制温度和加破乳剂的方法,解决油水界面乳化层问题,消除聚合物的活化作用影响,使测定结果更为准确。