Confirmatory analysis of stanozolol metabolites in bovine, pig and sheep urines using an optimized clean-up and liquid chromatography-tandem mass spectrometry

- A new confirmatory method for analyzing stanozolol metabolites in urine.
- One step SPE sample clean-up using on Strata-XL-A cartridge.
- Enhanced separation of metabolites on Kintetex XB column.
- Satisfactory method validation for three species.
- Successful new tested approach to analyze metabolites in incurred samples.