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The determination of fluoride ions in water samples is accomplished by using a tubular flow through detector constructed by drilling a channel through a commercially available LaF 3 crystal electrode in such a way that the original contacts of the non-modified unit are maintained. Its performance when incorporated in both FIA and SIA systems was evaluated and the results show that the tubular...
Potentiometric and polarographic metal speciation results were compared for a cadmium/humic acid complex system. Three polarographic techniques were used: normal (NPP), differential (DPP) and reverse (RPP) pulse polarography. Satisfactory agreement between potentiometric and polarographic data is obtained for systems with pH below 5. RPP generally shows better agreement than NPP and DPP. The discussion...
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