Egyptian Journal of Forensic Sciences

Table 3 Interday and Intraday precision 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)	Intraday			Interday
Concentration (ng/ml)	Mean (x)	X + SD	Precision (RSD) (%)	Mean (x)	X + SD	Precision (RSD) (%)
500	317.2	317.2 + 3.162	0.74	315	315 + 3.16	0.70
1000	996.4	996.4 + 7.82	0.75	985.2	985.2 + 7.85	0.77
1500	1327.6	1327.6 + 11.01	0.82	1320.4	1320.4 + 11.34	0.85
2000	1987.6	1987.6 + 15.07	0.78	1980.2	1980.2 + 15.4	0.79
2500	2314.4	2314.4 + 17.32	0.99	2307.4	2307.4 + 16.31	1.003

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