Abstract
A method for the detection of ethinylestradiol in cattle urine is described, based on enzymic hydrolysis of the sample, clean-up by means of disposable octadecyl and amino solid-phase extraction columns, fractionation by reversed-phase high-performance liquid chromatography, and detection by gas chromatography-mass spectrometry (selected-ion monitoring). Identification is based on both gas chromatographic and mass spectrometric data. The method has been tested on urine samples for a collaborative study and all the results found were correct.
| Original language | English |
|---|---|
| Journal | Journal of Chromatography A |
| Volume | 564 |
| Issue number | 2 |
| Pages (from-to) | 469-75 |
| Number of pages | 7 |
| ISSN | 0021-9673 |
| Publication status | Published - 1991 |
Keywords
- Animals
- Cattle
- Chromatography, High Pressure Liquid
- Ethinyl Estradiol
- Gas Chromatography-Mass Spectrometry
- Substance Abuse Detection
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