Feasibility Study for the Reduction of Perchlorate, Iodide, and Other Aqueous Anions
2006
Clewell, Rebecca A. | Tsui, David T. | Mattie, David R.
Cyclic Voltammetry (CV) was used as a technique to determine the feasibility of the use of a coulometric detector in the determination of perchlorate, iodide, and various other anions commonly found in drinking water. Through the CV analysis, it was determined that only iodide could be accurately determined through electrochemical detection. Nitrite, sulfide, and thiocyanate would be reduced, but are poor candidates for coulometric detection. Perchlorate was not reduced within the range of potentials allowed by a coulometric detector. Therefore, it does not appear the coulometry can provide an effective method for the detection of perchlorate. Studies showed that, of the anions tested, only nitrate, sulfide, and thiocyanate would interfere with the detection of iodide.
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