Green Analytical Approach for the Determination of Zinc in Pharmaceutical Product Using Natural Reagent

Table 6

Accuracy for zinc sulphate.

S.No.	Name of the drug	Amount of drug (μg mL^−1)	Recovery level (%)	Amount of drug added (μg mL^−1)	Amount found μg mL^−1; (Mean ± SD)	% Recovery (n = 3)
1.	Zinc sulphate	9	80	7.2	16.06 ± 0.25	99.00
			100	9	17.85 ± 0.13	99.16
			120	10.8	19.75 ± 0.23	99.74