1. Abbreviations used:HPLC = high performance liquid chromatography; ICP = inductively coupled plasma emission spectroscopy; RI = refractive index detection; RP = reversed phase; PIC B = alkyl sulfonate counter-ion; PIC A = tetrabutylammonium counter-ion; UV = ultraviolet detection; FAA = flame atomic absorption spectroscopy; GFAA = graphite furnace atomic absorption spectroscopy; DCP = direct current plasma emission spectroscopy; IC = ion chromatography; MeOH = methanol; tr= retention time; k' = capacity factor; ppb = parts-per-billion.
2. Hammond, B. P. and Beliles, R. P. 1980.Toxicology-The Basic Science of Poisons,, Second Edition Edited by: Doull, J., Klaasen, C. D. and Amdur, M. O. 468New York: MacMillan Publishing Co., Inc. in, eds., p.