Recovery (%)

RSD (%)^a

Found (μg·L⁻¹)

Added value

Ion

Tab water^b

-

99.70

2.3

1.2

100

399.11

0

300

Zn(ΙΙ)

-

99.40

-

1.4

ND^d

149.11

0

150

Fe(ΙΙ)

99.80

1.5

1.3

170

419.50

0

250

Cu(ΙΙ)

Wastewater^c

-

99.76

1.5

1.5

250

549.28

0

300

Zn(ΙΙ)

-

99.86

2.3

1.2

180

329.80

0

150

Fe(ΙΙ)

-

99.66

2.2

1.4

210

459.15

0

250

Cu(ΙΙ)