Nitric Acid → Indium nitrate
Reaction equation
[In:1].[N+:2]([O-:5])([OH:4])=[O:3]>>[N+:2]([O-:5])([O-:4])=[O:3].[In+3:1].[N+:2]([O-:5])([O-:4])=[O:3].[N+:2]([O-:5])([O-:4])=[O:3]Participants
3
Reactant 2
Product 1
Procedure
Metallic indium of 4N (99.99%) purity was dissolved in hot nitric acid to obtain a solution of indium nitrate. The solution was diluted to have a concentration of In of 100 g/L. Maintaining the solution of indium nitrate at a temperature in the range of 35-40° C., ammonium carbonate as a neutralisation precipitant was added thereto in an amount 1.5 times the equivalent weight to obtain a precipitate, which was separated from the solution and washed by using a filter press, and the precipitate was dried in an air atmosphere at 150° C. for 15 hours, followed by crushing the dried product with a hammer mill.
Sources & evidence
- ORD record
- ord-6c3fa5090e1b44a5b1d77100ebd63a13
- Source dataset
- uspto-grants-2000_08
- Patent number
- US06099982
Reaction notes
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