Three smart spectrophotometric methods for resolution of severely overlapped binary mixture of Ibuprofen and Paracetamol in pharmaceutical dosage form

Table 2 Determination of the studied drugs in the laboratory prepared mixtures

Ratio PAR:IBU	Ratio difference (recovery %)^a		Constant center		Mean centering (recovery %)^a
Ratio PAR:IBU	PAR	IBU	PAR	IBU	PAR	IBU
2:1	99.44	100.74	98.65	99.87	97.87	95.16
1:2	98.42	99.39	99.34	100.95	98.54	99.87
2:2	101.07	98.87	100.50	99.53	99.93	98.63
3:2	99.41	100.10	100.74	101.08	100.14	98.41
5:4	101.03	99.65	101.22	99.54	101.67	100.26

ISSN: 2661-801X