Extraction and HPLC Determination of LAS in Water and Soil

Abstract

Abstract: Linear alkylbenzensulfonate (LAS) in water and soil samples was extracted by solid phase extraction (SPE) and methanol/supersonic method, respectively. The extracts were then analysed directly on HPLC with a diode array detector. The average recovery of LAS in water was 94.5% with relative standard deviation (RSD) of less than 2%. The average recovery LASin soll was 73.0% with RSD of 1.14%. These results indicated that both methods with high recovery and accuracy were suitable for environmental monitoring and study of LAS. In addition, both methods are easy operated with less time consuming and less solvent consumption.

Key words: nematode, community structure, biological diversity, Tibet.

Ou Ziqing, Jia liangqing, He yaowu, Sun Tiehang, Shang Deshu. Extraction and HPLC Determination of LAS in Water and Soil[J]. cje, 1996, (1): 67-71.

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Extraction and HPLC Determination of LAS in Water and Soil

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