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Journal ArticleDOI

Solid state reaction between magnesium sulphate and α-alumina

01 Dec 1982-Thermochimica Acta (Elsevier)-Vol. 59, Iss: 2, pp 239-242
About: This article is published in Thermochimica Acta.The article was published on 1982-12-01. It has received 1 citation(s) till now. The article focuses on the topic(s): Magnesium.

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Topics: Magnesium (66%)
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Journal ArticleDOI
01 Oct 2001-Radiochimica Acta
Abstract: Zirconium phosphate hase been prepared by solid-solid reaction. The characterization of this inorganic ion exchanger was done with respect to capacity, pH titration, dissolution, etc. The preconcentration and separation of fission products, Sr(II), Co(II), Eu(III), Gd(III), Hg(II) and Am(III) has been achieved from different acidic media, HCl, HNO3, H2SO4, HClO4. The speciation of these cations in different media has been investigated. From the results obtained, it is obvious that these cations can be preconcentrated in low acidic medium, whilst at high acidity in the range 1-2 M, they be can separated from each other.

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3 citations


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Journal ArticleDOI
Abstract: The kinetics of many solid state reactions can best be explained in terms of an order of reaction; this is particularly true in the case of polymer degradation. The methods currently available for the determination ofn andk, from isothermal data, are either limited in the range ofα which can be used or are difference-difference techniques where the data must of necessity be highly accurate. This paper presents a review of these methods and introduces a new approach by whichn andk can be obtained directly, giving results which are unique and objective in that they provide a best fit to the experimental data.

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13 citations