A Simple Potentiometric Titration Method to Determine Concentration of Ferrate(VI) in Strong Alkaline Solutions

Autor:	Radek Zboril, Igor Golovko, Virender K. Sharma, Dmitriy Golovko, O. V. Pavlova, Karel Bouzek, V. I. Suprunovich
Rok vydání:	2011
Předmět:	Biochemistry (medical) Clinical Biochemistry Potentiometric titration Inorganic chemistry Biochemistry Amperometric titration Reference electrode Analytical Chemistry chemistry.chemical_compound chemistry Redox titration Electrochemistry Hydroxide Titration Ferrate(VI) Spectroscopy Gran plot
Zdroj:	Analytical Letters. 44:1333-1340
ISSN:	1532-236X 0003-2719
DOI:	10.1080/00032719.2010.511748
Popis:	A new potentiometric titration method using a Pt wire as an indicator electrode was developed for quantitative determination of ferrate(VI) in the submillimolar to millimolar concentration range in a strong alkaline solution. A Ag/AgCl electrode was the reference electrode and the titrant used was chromium(III) hydroxide solution. The developed method is relatively simple and faster than the colorimetric titration technique. The method eliminates human error associated with the endpoint detection and increases accuracy of the results with respect to the colorimetric titration. The method was applied to study the decay of synthesized ferrate(VI) in alkaline solution.
Databáze:	OpenAIRE
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