Table 1.

Determination of Br and Ti in laboratory prepared mixtures by the proposed ratio difference method.

Concentration (μg/mL)		Recovery (%)
Br	Ti	Br ΔP260–290 nm	Ti ΔP295–330 nm
10.00	50.00	96.52	101.06
20.00	20.00	100.75	101.42
20.00	40.00	100.43	102.53
20.00	50.00	100.82	101.23
25.00	30.00	103.33	102.26
30.00	50.00	99.58	98.87
Mean		100.40	101.23
Std		2.29	1.30
RSD		2.28	1.28