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The stoichiometry, kinetics and mechanism of the electron transfer reaction between tetraoxoiodate(VII) ion and indigo carmine (IC) have been investigated at 27 ± 1 o C.
The reaction is first order with respect to the hydroxide ion, methylene blue and glucose but zero-order with respect to oxygen. The rate law can be found by measuring how long it takes for a solution of known concentration to go colourless.
23 Φεβ 2023 · Indigo carmine undergoes a reversible reduction. Shaking the flask brings more oxygen into the solution, provoking the formation of the oxidized (green) form. The indigo carmine will eventually undergo reduction again to its reduced (yellow) form.
The colour reaction with Indigo Carmine is useful for determining oxygen dissolved in water [2–4], The yellow reduced form of the reagent (leucobase) turns red (λ max = 555 nm) under the influence of oxygen. Leuco forms of other dyes have also been proposed for determining oxygen.
29 Ιουλ 2022 · The order of the iodate-indigo carmine reaction in an acidic solution (such as a BR system) was found to be four: one order each with respect to the indigo carmine and the iodate ion as well as the second order with respect to the H + ion. These indicate a complex reaction mechanism.
To understand the relationship between indigo reduction and microorganisms in indigo-fermentation suspensions, we isolated and identified the microorganisms that reduce indigo and analyzed...
The order of the iodate-indigo carmine reaction in an acidic solution (such as a BR system) was found to be four: one order each with respect to the indigo carmine and the iodate ion...
