Electrode for analytical voltammetry

Details Electrode for analytical voltammetry Electrode for analytical voltammetry

2007-03-27

2007-03-27

Noguerola, Alex (Department: 1753)

Electrolysis: processes, compositions used therein, and methods

Electrolytic analysis or testing

C205S789500, C205S789000

Reexamination Certificate

active

10380517

ABSTRACT:
An electrode for use in analytical voltammetry, wherein the electrode has a uniform composition and contains an alloy in a solid state, the alloy containing a pure metal or compound having a low overvoltage for hydrogen and a few percent of at least one second metal or compound, wherein the electrode is a non-toxic electrode with a sufficiently high overvoltage for hydrogen allowing detection of a metal or compound to be detected. Also provided is an apparatus containing the electrode for performing analytical voltammetry involving a redox reaction at an electrode surface, and a method for increasing the utility of voltammetric analyses, by conducting the analyses with an electrode system containing the electrode.

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CAPLUS abstract of Loshchinina et al. (“Effect of the composition of galvanic nickel-cobalt alloys on the overvoltage of hydrogen in alkaline solution,”Doklady Akademii Nauk UzSSR (1958), (No. 2), 39-42).
CAPLUS abstract of Ling et al. (“Simultaneous determination of Zinc and copper in human serum—anodic stripping voltammetry,” Shanghai Diyi Yixueyuan Xuebao (1983), 10(5), 392-6).
CAPLUS abstract of Kaplin et al. (“Stripping analysis of thin films of silicon dioxide an dhydrofluoric acid for trace impurities of certain elements,” Izvestiya Tomskogo Politekhnicheskogo Instituta (1976), 275, 109-12).
CAPLUS abstract of Vlasov et al. (“Lead-selective electrodes based on lead and silver sulfides,” Zhumal Analiticheskoi Khimii (1979), 34(8), 1522-6).
CAPLUS abstract of Stoefen (“Dental amalgam. Poison in our mouth,” Toxicology (1974), 2(4), 355-8).
CAPLUS abstract of Kukizaki (“Studies on the effects of dental amalgam on the fertilization and early development of sea urchin eggs (Hemicentrotus pulcherrimus),” Shika Rikogaku Zasshi (1975), 16(35), 123-7).
CAPLUS abstract of Mayer (The toxicity of mercury and/or amalgam, Deutsche Zahnaerztliche Zeitschrift (1980), 35(4), 450-6).
Lorscheider et al. (“Mercury exposure from “silver” tooth fillings: emerging evidence questions a traditional dental paradigm,” FASEB vol. 9, Apr. 1995, pp. 504-508).
English language translation of Loshchinina et al. (“Effect of the composition of galvanic nickel-cobalt alloys on the overvoltage of hydrogen in alkaline solution,” Doklady Akademii Nauk UzSSR (1958), (No. 2), 39-42).
Derwent abstract of Moskvin et al. (SU 1580233 A).
CAPLUS abstract of Matrka et al. (“Analysis of dyes and intermediate products forming during dye manufacture. X. Potentiometric titrations with sodium nitrite using bimetal electrode systems,” Collection of Czechoslovak Chemical Communications (1970), 35(3), 995-1000).
pp. 53, 66, and 68, and Figure 6.12 of Sawyer et al. (Electrochemistry for Chemists 2nd ed., John Wiley & Sons, Inc. 1995.

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