T-C复合吸附管对空气中苯系物检测准确度的研究

Study on Detection Accuracy of Benzene Series in Air by T-C Composite Adsorption Tube

以T-C复合吸附管采样检测室内空气中苯系物,在温度25~40℃、相对湿度10%~90%的采样条件,可使苯系物的吸附率达到98.4%~99.8%,方法精密度达到1.4%~4.8%,回收率达到103.4%~112.4%,准确度很高。

In this study,T-C composite adsorption tube was employed to sample and detect benzene series in indoor air,under the sampling conditions:temperature 25~0℃,relative humidity 10%~90%. The adsorption rate of benzene series reaches 98.4%~99.8%. The precision of the method is 1.4%~4.8%. The recovery rate is 103.4%~112.4%,and the accuracy is very high.