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- E-ISSN 2288-8985
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Determination of Trace Amount of Linear Alkylbenzene Sulfonates in River Water
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1992, v.5 no.2, pp.159-167
Hong,
S. U., Yoo,
Y. C., Chung,
H. S., &
Chung,
K.
H.
(1992). Determination of Trace Amount of Linear Alkylbenzene Sulfonates in River Water. Analytical Science and Technology, 5(2), 159-167.
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Abstract
An improved and accurate method for the determination of linear alkybenzene sulfonate(LAS) in river water is described by using gas chromatography and GC/MS. The gas chromatograph equipped with BP-5 capillary column was satisfactory for isolation of the homologues and isomers of LAS in river water. Four LAS homologues, <TEX>$C_{10}$</TEX>, <TEX>$C_{11}$</TEX>, <TEX>$C_{12}$</TEX>, <TEX>$C_{13}$</TEX> alkyl chains were determined in Jungrang stream, Jinwi stream and down stream of Han river tributary. Especially <TEX>$5-C_{11}$</TEX>, <TEX>$6-C_{11}$</TEX>, <TEX>$2-C_{12}$</TEX> and <TEX>$6-C_{13}$</TEX>, <TEX>$7-C_{13}$</TEX> of LAS were identified by mass chromatogram. Different composition of LAS in standard and river water expressed the distribution and fate of LAS in river water. The remarkable reduced content of <TEX>$C_{12}$</TEX> and <TEX>$C_{13}$</TEX> in river water implied that the biodegradation of LAS more easily occured in longer alkylchain one. This method would be applicable for determination of LAS in water with high resolution and sensitivity.
- keywords
- Improved GC & GC/MS, LAS homologues
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