Independent concentration extraction as a novel green approach resolving overlapped UV–Vis binary spectra and HPTLC-densitometric methods for concurrent determination of levocloperastine and chlorpheniramine

Table 4 Determination of CPM with LCF in laboratory prepared mixtures by the proposed spectrophotometric method

Ratio CPM:LCF	UV–Vis spectrophotometric method				TLC method
	Laboratory prepared mixtures (μg mL⁻¹)		Recovery%*		Laboratory prepared mixtures (μg mL⁻¹)		Recovery%*
	CPM	LCF	CPM	LCF	CPM	LCF	CPM	LCF
1:2	5	10	98.12	102.08	4	8	99.15	98.12
1:1	20	20	101.98	98.31	2	2	100.3	101.41
3:1	30	10	101.71	98.96	3	1	99.66	99.55
2:1	20	10	100.66	101.18	4	2	100.8	98.68
5:1	25	5	101.09	99.23	4	0.8	100.71	99.74
4:1	20	5	102.31	100.48	4	1	98.97	100.2
1:5	5	25	100.05	100.93	2	10	99.21	101.11
1:3	5	15	99.87	99.45	1	3	100.23	99.02
	Mean% ± SD		100.72 ± 1.37	100.07 ± 1.29	Mean% ± SD		99.88 ± 0.73	99.73 ± 1.15

ISSN: 2661-801X