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The behaviour of thiomolybdates in in vitro systems

Published online by Cambridge University Press:  08 December 2008

K. M. Weber ,
D. D. Leaver  and
A. G. Wedd
K. M. Weber
Affiliation:
School of Agriculture and Department of Inorganic and Analytical Chemistry, La Trobe University, Bundoora 3083, Australia
D. D. Leaver
Affiliation:
School of Agriculture and Department of Inorganic and Analytical Chemistry, La Trobe University, Bundoora 3083, Australia
A. G. Wedd
Affiliation:
School of Agriculture and Department of Inorganic and Analytical Chemistry, La Trobe University, Bundoora 3083, Australia
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Abstract

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The stability of potassium tetrathiomolybdate was studied in vitro using solutions with molybdenum, hydrogen ion and phosphate concentrations similar to those normally found in the rumen. Under these conditions K2[MoS4] hydrolysed rapidly and as a result the solution contained [MoS4]2−, [MoOS3]2−, [MoO2S2]2−, [HS]− and H2S in equilibrium. In view of this hydrolysis, in vivo studies of thiomolybdate on copper metabolism of sheep should not exclude the possibility that either sulphide or molybdate is responsible for any observed effect.

Type
Short Papers
Information
British Journal of Nutrition , Volume 41 , Issue 2 , March 1979 , pp. 403 - 405
Copyright
Copyright © The Nutrition Society 1979

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