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What would you suggest me to use for oxidation of vitamin C to dehydroascorbic acid instead of bromine water?

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    $\begingroup$ Iron(II), see sciencedirect.com/science/article/pii/… $\endgroup$ – Karsten Theis Dec 14 '19 at 0:01
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    $\begingroup$ Why not iodine? It is a standard and quantitative reaction. $\endgroup$ – M. Farooq Dec 14 '19 at 2:39
  • $\begingroup$ Would you describe me procedure with iodine, M. Farooq? Thank you. $\endgroup$ – Cosmos1988 Dec 14 '19 at 10:22
  • $\begingroup$ @Karsten Theis: Fe(III)? $\endgroup$ – user55119 Dec 15 '19 at 4:28
  • $\begingroup$ @user55119 yes, ferric i e iron(III) $\endgroup$ – Karsten Theis Dec 15 '19 at 5:09