Spectrophotometric Determination of Gold(III) Using 2-Hydroxy-3-Methoxy Benzaldehyde Thiosemicarbazone as a Chromophoric Reagent

Table 2

Determination of Au(III) in environmental water samples.

Sample	Amount of Au(III) (μg mL^−1)		Recovery (%)
	Added	Found*
Tap water 1	0.490	0.482	98.36
Tap water 2	0.735	0.744	101.23
Rain water 1	0.735	0.739	100.54
Rain water 2	0.985	0.976	99.08
Well water 1	0.985	0.996	101.12
Well water 2	1.230	1.221	99.27
Lake water 1	1.230	1.246	101.31
Lake water 2	1.480	1.471	99.39

*Average of five determinations.