Rapid Detection of Salbutamol Residue in Animal Urine

Abstract

Abstract: In order to explore a rapid method for the determination of salbutamol (SAL) residues in animal urine, the impacts of extraction solvent, β-CD concentration for synergistic sensitization with small alcohol molecules and pH on determination results were explored. The optimal extraction solvent was isobutanol, aβ-CD concentration of 5 mmol/L was found optimal, and under these conditions, the fluorescence intensity of SAL was enhanced remarkably by adding 4% ethanol. The optimal pH was 9. The precision (RSD), recovery rate and detection limit of this method were 0.013%, 96.57% and 0.8 μg/L, respectively. The whole course of SAL determination by this method could be completed within 10－15 min. This method was simple, efficient, and suitable for the in situ determination of SAL residue.

Key words: salbutamol (SAL), residue, animal urine, fluorescence method, rapid detection

CLC Number:

TS251.7

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