Determination of chloroethenes in environmental biological samples using gas chromatography coupled with solid phase micro extraction

Autor:	S. Vandegrift, G. W. Sewell, N. Xu
Rok vydání:	1996
Předmět:	Detection limit Aqueous solution Chromatography Calibration curve Chemistry Organic Chemistry Clinical Biochemistry Thermal desorption Analytical chemistry Biochemistry Analytical Chemistry Matrix (chemical analysis) Adsorption Gas chromatography Solid phase extraction
Zdroj:	Chromatographia. 42:313-317
ISSN:	1612-1112 0009-5893
DOI:	10.1007/bf02290316
Popis:	An analytical method has been developed to determine the chloroethene series, tetrachloroethene (PCE), trichloroethene (TCE),cisdichloroethene (cis-DCE) andtransdichloroethene (trans-DCE) in environmental biotreatment studies using gas chromatography coupled with a solid phase micro extraction (SPME) technique. The volatile chlorinated compounds in aqueous solution can be analyzed directly without solvent extraction, purge and trap, or thermal heating. The calibration curves have demonstrated good linear relationships within 50.0 to 3000.0 μg L−1 concentration range. Detection limits are 18.0, 5.0, 25.0, and 42.0 μg L−1, for PCE, TCE,cis-DCE andtrans-DCE, respectively. Factors which affect the SPME process, such as sample adsorption time, thermal desorption time, and concentration of salt in the matrix, have also been evaluated.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::7938d9064063cee57a8d8ef12f67e793 https://doi.org/10.1007/bf02290316 Zobrazit plný text záznamu Full text from SpringerLink