Development and validation of the method for the detection of glimepiride via derivatization employing N-methyl-N-(trimethylsilyl) trifluoroacetamide using gas chromatography-mass spectrometry

Egyptian Journal of Forensic Sciences

Table 4 Stability and recovery results for GC-MS

Concentration (ng/ml)	Recovery
Concentration (ng/ml)	Short term (3–5 h) at room temperature	Long term (1 week) at 4 °C
500	94.26	93.97
1000	94.66	94.03
1500	95.63	94.93
2000	94.22	94.07
2500	94.12	93.91