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Ferroin is the chemical compound with the formula [Fe(o-phen)3]SO4, where o-phen is an abbreviation for 1,10-phenanthroline. This coordination compound is used as an indicator in analytical chemistry. The active ingredient is the [Fe(o-phen)3]2+ ion, which is the redox-active chromophore. Ferroin includes other salts of the same basic dication.
Additional recommended knowledge
Preparation of reagent
A solution of 1.485 g 1,10-phenanthroline monohydrate is added to a solution of 695 mg FeSO4·7H2O in water, and the resulting red solution is diluted to 100 mL.
Its redox potential is +1,06 volts in 1M H2SO4.
Key data: CAS = [
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Ferroin". A list of authors is available in Wikipedia.|