Spectrophotometric Studies on the Reaction of Diaveridine with Some Sulfonphthalein Dyes Based on Ion-Pair/Ion-Associate Complexes Formation

Table 2

The ruggedness and the repeatability data of the method.

Reagent	Interday				Interlab
	Taken conc. (μg/mL)	Found conc. (μg/mL)	SD	RSD (%)	Taken conc. (μg/mL)	Found conc. (μg/mL)	SD	RSD (%)
I	9.10	8.97	0.016	0.18	9.10	9.13	0.021	0.23
II	9.10	9.07	0.024	0.26	9.10	9.16	0.030	0.33
III	9.10	9.00	0.032	0.36	9.10	9.05	0.033	0.37
IV	9.10	8.97	0.053	0.59	9.10	9.08	0.026	0.29
V	9.10	9.20	0.034	0.37	9.10	9.09	0.022	0.24
VI	9.10	9.06	0.028	0.31	9.10	9.00	0.035	0.39
VII	9.10	9.05	0.021	0.23	9.10	9.06	0.025	0.28
VIII	9.10	9.08	0.041	0.45	9.10	9.07	0.026	0.29