Multianion analysis, applications of ion chromatography - Determination of Anions in Natural and Treated Waters - page 645

9 Valerate 27 Fumarate

10 Pyruvate 28 Phthalate

11 Monochloroacetate 29 Oxalacetate

30 PO 4 3−
13 Cl − (3ppm) 31 AsOV
14 Galacturonate 32 CrO 4 2-
15 NO 2 − (5ppm) 33 Citrate
16 Glucuronate 34 Isocitrate
17 Dichloroacetate 35 cis-Aconitate
18 Trifluoroacetate 36 trans-Aconitate
Source: Reproduced with permission from Dionex Corporation [24

12 BrO 3 -

eluant provides the optimum combination of efficiency, selectivity, and speed without an
unacceptable baseline slope. If fewer ions than the 36 shown in Fig. 12.17 need to be
separated, the gradient steepness can be increased to reduce the run time. Changing the
gradient will affect the

Fig. 12.18 on chromatography of inorganic and organic anions