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Steroid hormone determination in water using an environmentally friendly membrane based extraction technique
Division of Analytical Chemistry, University of Lund.
Högskolan Kristianstad, Institutionen för matematik och naturvetenskap.
Division of Analytical Chemistry, University of Lund.
2008 (Engelska)Ingår i: Journal of Chromatography A, ISSN 0021-9673, E-ISSN 1873-3778, Vol. 1192, nr 1, s. 1-8Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

In this study, a method was developed for determination of steroid hormones (17beta-estradiol, estrone, 17alpha-ethynylestradiol) in tap and sewage water samples from Sweden. Sample preparation and analysis were performed by a hollow-fibre microporous membrane liquid-liquid extraction (HF-MMLLE) set-up combined with gas chromatography-mass spectrometry (GC-MS). In this approach, only the organic liquid in the lumen (10microL) of the hollow-fibre membrane was utilised for depleting extraction. Several parameters were studied, including: type of organic solvent, sample pH, salt and humic acid content. The optimised method allowed the determination of the analyte at the low ngL(-1) level in tap and sewage water. A linear plot gave correlation coefficients better than 0.995 and resulted in a method limit of detection of 1.6, 3 and 10ngL(-1) for 17beta-estradiol, estrone, and 17alpha-ethynylestradiol, respectively, in sewage water. Enrichment factors were over 1400 after derivatisation. The repeatabilities at 50 and 600ngL(-1) were better than 10% and 6%, respectively.

Ort, förlag, år, upplaga, sidor
2008. Vol. 1192, nr 1, s. 1-8
Nyckelord [en]
Hollow-fibre microporous membrane, liquid-liquid extraction, steroid hormones, sewage water
Nationell ämneskategori
Biokemi och molekylärbiologi Naturvetenskap
Identifikatorer
URN: urn:nbn:se:hkr:diva-32DOI: 10.1016/j.chroma.2008.03.030ISI: 000256200700001PubMedID: 18394632OAI: oai:DiVA.org:hkr-32DiVA, id: diva2:132599
Tillgänglig från: 2008-12-22 Skapad: 2008-12-22 Senast uppdaterad: 2017-12-14Bibliografiskt granskad

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