Sample

Sb(III) Added

(µg∙L⁻¹)

Propose Methodology

ETTAS

RE%*

Sb(III) Found ± SD (µg∙L⁻¹)

Recovery

(%, n = 4)

Sb(III) Found

± SD (µg∙L⁻¹)

1

-

0.93 ± 0.03

-

-

-

0.36

1.278 ± 0.02

98.71

0.60

1.522 ± 0.07

99.14

2

-

0.77 ± 0.05

-

0.75 ± 0.09

2.60

0.36

1.134 ± 0.04

100.52

0.60

1.381 ± 0.03

101.43

3

-

1.88 ± 0.02

-

1.93 ± 0.03

2.59

0.36

2.231 ± 0.09

99.52

0.60

2.474 ± 0.07

99.68

4

-

1.32 ± 0.04

-

1.41 ± 0.04

6.38

0.36

1.685 ± 0.03

100.38

0.60

1.914 ± 0.03

99.55

5

-

0.65 ± 0.03

-

0.70 ± 0.001

7.14

0.36

1.008 ± 0.06

99.70

0.60

1.239 ± 0.08

98.31

6

-

1.13 ± 0.07

-

1.11 ± 0.03

1.77

0.36

1.476 ± 0.05

98.76

0.60

1.738 ± 0.04

100.70

7

-

1.06 ± 0.06

-

1.12 ± 0.02

5.36

0.36

1.431 ± 0.03

101.03

0.60

1.654 ± 0.02

99.43

8

-

1.45 ± 0.09

-

-

-

0.36

1.807 ± 0.01

99.79

0.60

2.055 ± 0.04

100.34