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Table 4 Stability and recovery results for GC-MS

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

Concentration (ng/ml) Recovery
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