HONGWAIFENGUANGCEYOUYIZHUYAOTEDIANJIESHAO

嘉信恒生红外分光测油仪根据GB/T16488—1996标准，用四氯化碳萃取水中的油类物质，测定总萃取物，然后将萃取液用硅酸镁吸附，经脱除动植物油等极性物质后，测定石油类。总萃取物和石油类的含量均由波数分别为2930cm-1（CH2基团中C-H键的伸缩振动）、2960cm-1（CH3基团中C-H键的伸缩振动）和3030cm-1（芳香环中C-H键的伸缩振动）谱带处的吸光度A2930、A2960和A3030进行计算。动植物油的含量按总萃取物与石油类含量之差计算。

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