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Kinetics of iron–copper sulphides oxidation in relation to protohistoric copper smelting

✍ Scribed by Emilien Burger; David Bourgarit; Vincent Frotté; Fabien Pilon


Publisher
Springer Netherlands
Year
2010
Tongue
English
Weight
524 KB
Volume
103
Category
Article
ISSN
0022-5215

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The copper-catalyzed oxidation of hydrazine by iron(II1) in acid solution follows the rate law -d[Fe(III)]/dt = ~K~[CU(II)]~/(K~ + [H+]), where Kh is the hydrolysis constant of Cu2+, k was found t o be 8.8f0.8, 13.2f1.4 and 17.5f1.3 min-' at 35, 40, and 45OC respectively and p= 0.2 mol/L. The compos