Stability-Indicating Assay for the Determination of Pentobarbital Sodium in Liquid Formulations

Table 5

Accuracy of the method.

Standard (g/mL)	Added		Found (g/mL)	% recovery	RSD
	%	g/mL	Mean ± SD,	Mean ± SD
50	25	62.5	63.29 ± 0.48	101.27 ± 0.77	0.77
50	50	75	74.78 ± 0.56	99.71 ± 0.75	0.75
50	80	90	89.55 ± 2.61	99.49 ± 2.90	2.90
50	100	100	99.23 ± 1.22	99.23 ± 1.22	1.22
50	120	110	110.59 ± 0.28	100.53 ± 0.25	0.25