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|Title:||Steroid estrogen determination in sediment and sewage sludge: A critique of chromatographic / mass spectrometry methods incorporating a case study in method development|
|Keywords:||matrix effects;gas chromatography/mass spectrometry;steroid estrogens;solid matrices;liquid chromatography/mass spectrometry|
|Citation:||TrAC Trends in Analytical Chemistry, 23: 737-744|
|Abstract:||Current analytical methods for determining steroids in sewage sludge and sediment are reviewed and experimental data comparing LC/MS ESI and GC/MS quantification of extracts from these matrices is presented. The effect of matrix influence on method analysis and steroid recoveries was investigated and a comparison of GC and LC determination with mass spectrometry performed. Consequently upon this, an environmental analytically robust methodology is presented and using this technique analysis of sediments determined E1 to be the main steroid (<18 ng/g), EE2 and E3 were determined at far lower concentrations with minimal detection of E2|
|Appears in Collections:||Environment|
Institute for the Environment
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