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S. Meloni

Bio: S. Meloni is an academic researcher from University of Pavia. The author has contributed to research in topics: Manganese & Adsorption. The author has an hindex of 5, co-authored 7 publications receiving 115 citations.
Topics: Manganese, Adsorption, Oxide, Blood serum, Chromium

Papers
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Journal ArticleDOI
TL;DR: In this article, the adsorber and its characterization were presented and discussed, and the sorption of the alkali metals appeared to proceed by an ion-exchange mechanism in NH4NO3 solutions.

57 citations

Journal ArticleDOI
TL;DR: A neutron activation technique for determining chromium in blood serum and red cells is described and 0·35−0·23 μg chromium were found per ml of serum or red cells.

10 citations

31 Oct 1970
TL;DR: In this paper, a neutron activation technique for determining chromium in blood serum and red cells is described, where carrier-free chromium-51 is adsorbed onto manganese dioxide, after removal of sodium-24 and phosphorus-32 by adsorption onto hydrated antimony oxide and tin (IV) oxide respectively.
Abstract: A neutron activation technique for determining chromium in blood serum and red cells is described. Carrier-free chromium-51 is adsorbed onto manganese dioxide, after removal of sodium-24 and phosphorus-32 by adsorption onto hydrated antimony (V) oxide and tin (IV) oxide respectively. The separation takes 1·5 hr and recovery is 99 per cent. 0·35−0·23 μg chromium were found per ml of serum or red cells.

9 citations

Journal ArticleDOI
TL;DR: In this article, the adsorption properties of 48 elements have been studied by column experiments from nitric and sulphuric solutions, and different mechanisms are suggested to explain the behaviour of adsorbed elements; redox processes, precipitation of hydrolyzed species, and precipitation of low solubility cadmium salts.

6 citations


Cited by
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Journal ArticleDOI
TL;DR: In this article, the performance of different types of ferrocyanide solids for removal of radioactive cesium from nuclear waste solutions is described by measurements of the distribution coefficients for the removal rate.
Abstract: Ferrocyanide solids have important applications to the removal of radioactive cesium from nuclear waste solutions. These materials are prepared by mixing soluble ferrocyanides and salts of divalent transition metals or other divalent cations. The simple precipitations most commonly give very fine particles or slimes of variable compositions. Special preparation procedures have been developed to control the compositions or to prepare granular solids suitable for column operation. The removal of cesium from solutions has been measured for many different ferrocyanide solids. Some of these solids show an exchange of K+, Na+, or NH4 + for cesium, but many show sorptions of cesium without a true ion exchange. The performance for cesium removal is described by measurements of the distribution coefficients for cesium with large excesses of ferrocyanides, the capacity for cesium with excess cesium in solution, and the rates of cesium removal. The chemical and physical stability, the solubility, and the el...

202 citations

Journal ArticleDOI
T. J. Tranter, R.S. Herbst, T.A. Todd, A.L. Olson, H. B. Eldredge1 
TL;DR: In this article, the selective cesium capacity of this inorganic ion exchange media was evaluated with simulated sodium bearing waste (SBW) and dissolved pilot plant calcine at the Idaho Nuclear Technology and Engineering Center (INTEC).

138 citations

Journal ArticleDOI
TL;DR: In this article, the preparation of 99mTc generators using alumina and other ion exchange systems is described, and some of the problems associated with the alumina column type 99 mTc generator are listed with possible causes and solutions to their problems.

107 citations

Journal ArticleDOI
TL;DR: In this paper, the effect of temperature and solution pH on the effectiveness of Cs decontamination was studied in detail, and it was shown that the concentration of total cyanide in the effluent solution passed through FeHCF is comparatively very high beyond pH 4, whereas it is lower than in CuHCF passed solution at pH below 4.

75 citations