Single-Channel Flow Injection Spectrophotometric Determination of Nickel Using Furildioxime in Micellar Solution

Table 3

Determination of nickel in synthetic mixtures.

Sample	Composition of mixture	Nickel in μg mL^−1
		Added	Found	% Recovery
A	Nickel	2.0	2.0	100
B	A + V^V (25 fold)	2.0	1.8	90
C	B + Zn^2+ (25 fold) +; Ca (25 fold)	2.0	1.8	90
D	C + Fe (25 fold) +; Cr^VI (25 fold)	2.0	2.2	110