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红外分光光度法测定水样中石油类 ,空白波动较大 ,本文从实验试剂角度分析了影响空白精密度的原因 ,并提出解决问题的方法
Infrared spectrophotometric determination of petroleum in water sample, the blank has a great fluctuation. This paper analyzes the reason of affecting the blank precision from the experimental reagent point of view, and puts forward the method to solve the problem