The Spectrophotometric Multicomponent Analysis of a Ternary Mixture of Paracetamol, Aspirin, and Caffeine by the Double Divisor-Ratio Spectra Derivative Method

Table 2

Determination of aspirin, caffeine, and paracetamol in some ternary mixtures.

Mixture	Added (𝜇mol L^−1)			Found (𝜇mol L^−1)			Recovery (%)
	ASP	CAF	PAR	ASP	CAF	PAR	ASP	CAF	PAR
1	20.0	30.0	40.0	19.90	29.85	40.17	99.5	99.5	100.43
2	20.0	10.0	10.0	19.71	9.90	10.07	98.55	99.00	100.70
3	10.0	20.0	8.0	10.00	19.58	8.03	100.0	97.90	100.38
4	30.0	10.0	8.0	29.85	10.00	8.01	99.50	100.00	100.13
5	40.0	20.0	30.0	39.28	19.96	30.33	98.20	99.80	101.10
6	50.0	50.0	50.0	15.17	50.74	50.00	30.34	101.48	100.00
7	60.0	30.0	30.0	60.22	30.01	31.01	100.37	100.03	103.37
8	70.0	30.0	20.0	70.17	29.98	20.52	100.24	99.93	102.60
9	10.0	10.0	10.0	9.98	10.36	10.70	99.80	103.60	107.00
10	10.0	30.0	50.0	9.06	29.12	52.23	90.60	97.07	104.46