Table 5.

Application of standard addition technique.

Raw material added (μg/mL)	Drug sample (μg/mL)	Drug recovery%±SD
		DW-RS	AAC	DDRD-D1
ASA
36	45	103.19 ± 2.13	103.30 ± 2.13	98.35 ± 1.55
45	45	103.33 ± 0.75	103.44 ± 0.75	101.03 ± 1.55
54	45	101.88 ± 1.46	101.98 ± 1.46	97.94 ± 1.28
SIC
12	15	97.92 ± 0.88	98.09 ± 0.88	99.88 ± 1.30
15	15	99.85 ± 2.31	100.02 ± 2.31	100.74 ± 1.79
18	15	97.62 ± 2.61	97.79 ± 2.62	98.40 ± 1.67