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This paper reports the combined use of the nonparametric Theil–Sen (TS) regression technique and of the statistics of Lancaster–Quade (LQ) concerning the linear regression parameters to solve typical analytical problems, like method comparison, calculation of the uncertainty in the inverse regression, determination of the detection limit. The results of this new approach are compared to those obtained...
The alkaline-luminol/H 2 O 2 -based chemiluminescent (CL) detection of Fe 2+ , Co 2+ , and Mn 2+ , separated with a Dionex CS5A ion chromatographic phase was studied by means of a multi-pump flow system allowing the variation of the post-column solution composition. A perchlorate gradient at pH 1.9 (with HCl) was used to separate cations partially complexed...
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