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

Table 1

Replicative determination of paracetamol, aspirin, and caffeine in some ternary mixtures by double divisor-ratio spectra derivative method.

Mixture	Added (𝜇mol L^−1)			Found (𝜇mol L^−1)			RSD (%)
	PAR	ASP	CAF	PAR	ASP	CAF	PAR	ASP	CAF
	30	30	30	29.08	28.81	31.06
1	30	30	30	28.94	29.19	30.91	2.58	1.88	2.74
	30	30	30	30.32	29.90	29.54
	30	50	40	32.01	48.70	38.84
2	30	50	40	30.03	50.01	38.07	3.30	1.42	1.54
	30	50	40	31.50	49.80	39.50
	20	8	10	18.08	8.08	10.10
3	20	8	10	21.93	7.99	9.98	4.56	0.58	5.73
	20	8	10	20.90	8.01	9.08