Sample

Composition of Mixtures

(µg∙L⁻¹)

Vanadium/µg∙L⁻¹

Added

Found^a

(n = 5)

Recovery ± SD^b (%)

A

V (V)

1.0

50

0.99

50.0

99 ± 0.5

100 ± 0.0

B

As in A + Cr^VI (50) + As^V (50) + Ti^IV (50) + Fe³⁺ (50) + EDTA (50)

1.0

50

1.0

49.5

100 ± 0.0

99 ± 0.6

C

As in B + Pb²⁺ (50)+ Bi³⁺ (50) + Hg²⁺ (50) + Se^IV (50)+ Cu (50)

1.0

50

1.01

51.0

101 ± 1.0

102 ± 1.5

D

As in C + Sb³⁺ (50) +Ni²⁺ (50) + Ca (50) + Cd (50) + Te^IV (50)

1.0

50

1.02

50.5

102 ± 1.6

101 ± 1.0

E

As in D + Mg (50) + Mn^VII (50) + W^VI (50) + Ba (50) + Ag (50)

1.0

50

1.03

51.5

103 ± 1.8

103 ± 1.5

F

As in E +Ce^III (50)+ Na (50) + K (50) + Zn (50) + Ce^IV (50)

1.0

50

1.05

52.5

105 ± 2.1

105 ± 2.0