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The Influence Factors of Infrared Photometric Method for Measuring Oil in Water and Elimination Method of the Factors
Author(s): 
Pages: 42-44
Year: Issue:  2
Journal: ENVIRONMENTAL SCIENCE AND MANAGEMENT

Keyword:  红外光度法测定影响因素消除方法;
Abstract: 红外光度法是目前中国测定油类的标准方法,也是唯一一种在对油测定中既能进行定性分析,又可以进行定量分析的方法.该方法的操作比较复杂,对仪器、试剂要求比较高,测定结果往往受诸多因素的影响.作者经过对仪器、试剂及操作中可能出现的影响因素进行了探讨.结果认为,色散型测油仪为首选仪器,新购置的测油仪应该进行重现性和校正系数的检验;分析所用玻璃仪器需用四氯化碳浸泡清洗处理,吸附剂进行去油处理;采用活性炭混合吸附过滤法提纯四氯化碳、四氯乙烯,方法简便、快速;用硅藻土替代硅酸镁作为动植油测定的吸附剂,具有相同的吸附效果.
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