Multianion analysis, applications of ion chromatography - Determination of Anions in Natural and Treated Waters - page 638

Fig. 12.13 Selenate in drinking water: sample size 5ml, 10ng of Se(V) added—
major peaks: (1) fluoride; (2) chloride; (3) nitrate; (4) sulphate.
Shaded area was collected for recycle
Source: Reproduced with permission from the American Chemical
Society [22]
Fig. 12.14 Selenite in potable water, recycled twice; sample size 10ml, 100ng
of Se(IV) added—major peaks: (1) fluoride; (2) chloride; (3) nitrate;
(4) sulphate. Shaded areas were collected for recycle
Source: Reproduced with permission from the American Chemical
Society [22]