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Issue 59, 2020
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Dissolution of noble metals in highly concentrated acidic salt solutions

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Abstract

Highly concentrated solutions of AlCl3·6H2O and Al(NO3)3·9H2O were investigated for Au and platinum group metals dissolution. 95% Pd was leached from spent automotive catalysts in 15 min at 80 °C, while Pt required longer times; Rh dissolution was <20%. Au dissolution from wires required 24 h. Pd recovery was investigated by reductive precipitation.

Graphical abstract: Dissolution of noble metals in highly concentrated acidic salt solutions

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Supplementary files

Article information


Submitted
30 Mar 2020
Accepted
27 May 2020
First published
19 Jun 2020

This article is Open Access

Chem. Commun., 2020,56, 8230-8232
Article type
Communication

Dissolution of noble metals in highly concentrated acidic salt solutions

F. Forte, S. Riaño and K. Binnemans, Chem. Commun., 2020, 56, 8230
DOI: 10.1039/D0CC02298E

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