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Fig. 2.47
Recorder tracings of selenium analysis of a river water sample: (a)
analysis by procedure 2, (b) analysis by procedure 3 (see text)
Source: Reproduced with permission from the American Chemical
Society [673]
Table 2.45
Analysis of simulated mixtures of 4.6ng of Se(O), 4.8ng of Se(IV) and 5.9ng
of
Distilled water (500ml)
Peak height
Amount recovered ng
Recovery %
Procedure 1
16.3
4.9
102
(Se(V)))
15.0
4.5
94
Procedure 2
31.2
9.5
101
(Se(O)+Se(IV))
30.5
9.3
99
Procedure 3
51.9
15.9
104
(Total Se)
52.2
16.0
105
Source: Reproduced with permission from the American Chemical Society [673]
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