Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
The Adsorption of Copper(II), Dichromate(II) and Oxalate(II) by Different Samples of Precipitated Hydrous Beryllium Oxide
Rup Dutta
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1965 Volume 38 Issue 11 Pages 1814-1816

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Abstract

Three samples, A, B and C, of hydrous beryllium oxide were prepared by adding different amounts of alkali to a fixed volume of a beryllium sulfate solution. Sample A prepared with an equivalent amount of alkali, sample B prepared with a 10% deficient amount of alkali, sample C prepared with a 10% excess amount of alkali.
These samples were washed thoroughly and allowed to age for a month. The adsorption capacities of these samples for the ions copper-(II), oxalate(II) and dichromate(II) were then studied. The adsorption of copper (II) by different samples was found to be in the order B>A>C, whereas in the case of oxalate and dichromate the order of adsorption, is C>A>B.

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