Potentiometric Flow Injection Analysis of Glucose Using Hexacyanoferrate(III)-Hexacyanoferrate(II) Potential Buffer

• Published in: Analytical Sciences Vol. 3; no. 5; pp. 453 - 456
• Main Authors: OHURA, Hiroki, IMATO, Toshihiko, YAMASAKI, Sumio, ISHIBASHI, Nobuhiko
• Format: Journal Article
• Language: English
• Published: Tokyo The Japan Society for Analytical Chemistry 1987; Japan Society for Analytical Chemistry; Japan Science and Technology Agency
• Subjects: Analytical chemistry; Chemistry; Electrochemical methods; Exact sciences and technology; hexacyanoferrate(III)-hexacyanoferrate(II) buffer solution; lucose; oxidation-reduction reaction; Potentiometric flow injection analysis; Oxidation reduction; Sensitivity; Chemical analysis; Detection threshold; Instrumentation; Glucose; Potentiometry; Buffer solution; Operating conditions; Electrochemical detector; Flow injection
• ISSN: 0910-6340; 1348-2246
• DOI: 10.2116/analsci.3.453

Flow injection analysis of glucose is described, using a combination of the potentiometric detection with the potential buffer solution consisting of hexacyanoferrate(III)-hexacyanoferrate(II). Effects of the concentration of the potential buffer solution, reaction time and temperature are examined on sensitivity of the proposed analytical method. Glucose from 10-7M to 10-3M, for injections of 140μl samples, can be determined by changing concentrations of the buffer solution from 1×10-5M to 1×10-2M.