[Retracted] Ternary Complexation Process for New Spectrophotometric Assay of Levodopa using Ni(II) and 2,3-Diaminopyridine

Table 5

Evaluation of the proposed method using intraday and interday assay.

Sample	LD determination using the proposed method			% RSD
	Taken, μg·mL^−1	Found, μg·mL^−1	% recovery ± SD, (n = 3)
Intraday assay	81218	8.0111.9318.09	100.13 ± 0.899.42 ± 0.3100.50 ± 0.6	0.80.30.2
Interday assay	81218	7.9611.9517.93	99.50 ± 0.799.58 ± 0.299.61 ± 0.3	0.7; 0.2; 0.3