1988
DOI: 10.1021/ed065p176
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The oxidation of ascorbic acid by hexacyanoferrate(III) ion in acidic aqueous media: Application of the Marcus cross relation

Abstract: An experimental application of the Marcus cross relation suitable for undergraduates.

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Cited by 15 publications
(9 citation statements)
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References 15 publications
(26 reference statements)
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“…When 0.01M HCl was used, the sensitivity decreased, and this effect can be related to higher protonation of AA in this medium, since the reducing agent is the ascorbate anion [20]. Best results were attained by using a solution containing 0.01M HCl and 0.1M KCl (in 1:1 ratio).…”
Section: Resultsmentioning
confidence: 99%
“…When 0.01M HCl was used, the sensitivity decreased, and this effect can be related to higher protonation of AA in this medium, since the reducing agent is the ascorbate anion [20]. Best results were attained by using a solution containing 0.01M HCl and 0.1M KCl (in 1:1 ratio).…”
Section: Resultsmentioning
confidence: 99%
“…4) 9,22 . Adicionalmente, observou-se que a constante de velocidade da reação é inversamente proporcional a concentração de ácido presente no meio reacional (eq.…”
Section: Determinação Da Estequiometria De Compostos De Coordenaçãounclassified
“…This study was previously made using a manual spectrophotometric procedure (13). That experiment was conducted in a medium containing 10 ᎑2 M nitric acid to decrease the reaction rate and to make practicable the manual procedure, since the rate constant is inversely proportional to the acid concentration (14).…”
Section: Ionic Strength Effect On the Rate Of Reduction Of Hexacyanofmentioning
confidence: 99%