title: Determination of cations at the parts-per-billion level with non-suppressed ion chromatography and indirect photometric detection.
authors: Department of Chemistry, University of Texas, El Paso 79968-0513.
authors: C A
authors: CA
authors: Chang
authors: Q H
authors: QH
authors: Wu
authors: C
authors: C
authors: Sheu
mesh_terms: D002118:Calcium / Q000032:analysis; D002412:Cations / Q000032:analysis*; D002852:Chromatography, Ion Exchange; D008345:Manganese / Q000032:analysis; D010783:Photometry; D013056:Spectrophotometry, Ultraviolet
chemical_list: D002412:Cations; D008345:Manganese; D002118:Calcium