Speciation of arsenic and selenium via anion exchange HPLC with sequential plasma emission detection
Summary
Type: HPLC Application #: 106750
Catalog#: 720994.46 - MN HPLC Column, Nucleosil Dimethylamino, 100A, 5um, 4.6x250mm
Detection: sequential ICP Conditions: initial eluent: 0.002M ammonium dihydrogen phosphate, 0.005M ammonium acetate adjusted to pH 4.6 with glacial acetic acid, second eluent: 0.08M ammonium dihydrogen phosphate adjusted to p 6.9 with ammonium hydroxide flow rate 1.4ml/min Authors: McCarthy, J.P. et al. Source: J. Chromatog. Sci. 21 (1983) 389–393
Details
Legend: Fig. 4. HPLC-ICP-AESS-SSS chromatogram, analyte species in order of elution
arsenite, selenite, arsenate, selenate (2.8µg each). The selenate peak is
abnormally sharp, since it is eluted rapidly wit