Analytical applications of pulsed voltammetric stripping at thin film mercury electrodes

Abstract

This report describes the use of differential pulse stripping analysis with thin film electrodes for the determination of lead and cadmium in a variety of samples. Instrumental and chemical parameters have been thoroughly investigated and optimized for the direct determination of these elements in natural waters, blood, blood plasma, and urine. The results indicate that reliable analyses are obtained on samples as small as a few microliters under conditions which are more sensitive than linear scan stripping techniques by factors ranging from 4 to 20 or more.

Cathodic stripping analysis complicated by adsorption processes: Determination of 2-thiouracil at a rotating silver disk electrode

“…Two concent ation regI6ftsor the deter-C3 minatlon of 2-thiouracil. which appear in nature as a Dvrimidine base rcontdl 20. of nucleic acid, have been found.…”

A comparison of backpropagation and general regression neural networks in quantative trace metal analysis using anodic stripping voltammetry and cybernetic instrumentation

“…An important paper by Rifkin [10] describes how a computer-based instrument was designed to provide flexibility in the analytical method, and shows the effects of changes in the various analytical parameters. Copeland [11] describes typical analyte preparation methods, and investigates optimum experimental conditions.…”

Wax-Impregnated Carbon Paste Electrode Modified with Mercuric Oxalate for the Simultaneous Determination of Heavy Metal Ions in Medicinal Plants and Ayurvedic Tablets

“…[1][2][3] Differential pulse voltammetric methods have an advantage over linear scan stripping in that they discriminate effectively against charging current. [4][5][6] Even though some other analytical methods, such as atomic absorption, inductive coupled plasma, X-ray fluorescence spectrometry and neutron activation analysis, 7 have also been used for the trace analysis of metal ions, they involve high cost and maintenance and complicated procedures for analysis. Because of mercury's high toxicity, stability and volatility, use of metallic mercury to detect toxic heavy metal ions is a debatable issue.…”