Spectrophotometric determination of etodolac in pure form and pharmaceutical formulations

BMC Chemistry

Table 3 Determination of ETD in presence of additives or excipients.

Material	Amount (mg)	Method A	Method B	Method C
		Recovery ^a %± SD ^b	Recovery ^a %± SD ^b	Recovery ^a %± SD ^b
Lactose	50	99.63 ± 0.82	99.20 ± 0.78	100.2 ± 0.51
Glucose	50	98.84 ± 0.67	100.35 ± 1.22	99.55 ± 0.88
Dextrose	50	99.30 ± 0.78	98.70 ± 0.56	98.65 ± 0.46
Magnesium stearate	30	99.25 ± 0.75	99.55 ± 0.89	100.15 ± 1.30
Calcium hydrogen phosphate	50	99.50 ± 0.96	98.95 ± 0.73	99.40 ± 0.84
Talc	40	99.80 ± 0.61	100.40 ± 1.05	100.10 ± 0.95
Starch	50	100.05 ± 1.14	98.80 ± 0.69	99.75 ± 0.62

ISSN: 2661-801X