Topic
Antimony
About: Antimony is a research topic. Over the lifetime, 11450 publications have been published within this topic receiving 155660 citations. The topic is also known as: Sb & element 51.
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TL;DR: In this article, it has been shown that small additions of soluble copper and antimony increase the rate and extent of cobalt cementation in the presence of zinc ions, and that cobalt cannot be deposited in a pure form, but is deposited as a cobalt-zinc alloy consisting primarily of underpotentially deposited zinc.
59 citations
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TL;DR: The predictions of Miedema's model for the formation of binary intermetallic compounds of lead, bismuth and antimony with rare earth elements and for the heats of mixing and solution of the corresponding liquid alloy systems are presented in this paper.
Abstract: The predictions of Miedema's model for the heats of formation of binary intermetallic compounds of lead, bismuth and antimony with rare earth elements and for the heats of mixing and solution of the corresponding liquid alloy systems are presented. The predicted values are compared with the existing experimental data. The differences between the experimental and the calculated values of the enthalpy are discussed.
59 citations
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TL;DR: The heavy contamination in the soil profiles is mostly located in the uppermost soil layers enriched in organic matter and exhibited downward migration in the soils profiles, and Sb and As showed significant mobility in the profiles.
Abstract: Mining and smelting activities contribute large amounts of heavy metal pollution to the environment In this study, four 75- or 80-cm-deep soil profiles in the vicinity of the Xikuangshan Sb smelter were sampled and studied by combination of bulk chemical analysis, sequential extraction procedure, and speciation analysis of Sb and As, which are in order to assess the vertical mobility of metal/metalloid contaminants (Sb, As, Cd, and Hg) The heavy contamination in the soil profiles is mostly located in the uppermost soil layers enriched in organic matter (<40 cm) and exhibited downward migration in the soil profiles Sb and As, being substantially bound in the exchangeable fractions by sequential extraction studies, showed significant mobility in the profiles Sb(III), Sb(V), As(III), and As(V) were found in all of the soil samples, and certain methylated states of Sb (TMSb) and As (MMA, DMA) were also present in the lower layer soil samples
59 citations
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TL;DR: The second part of a literature review on the deportment of trace toxic elements in gold processing by cyanidation is presented in this paper, where the main findings were that only lead, cadmium and mercury form cyano complexes ranging from very weak (Pb) through moderate (Cd) to the strong mercuro complexes.
59 citations
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TL;DR: A method is described for the determination of antimony, arsenic and tin in foodstuffs in which organic matter is destroyed using a wet-oxidation procedure, except for arsenic in samples of marine origin in which Organic Matter is destroyed by the dry-ashing technique.
Abstract: A method is described for the determination of antimony, arsenic and tin in foodstuffs in which organic matter is destroyed using a wet-oxidation procedure, except for arsenic in samples of marine origin in which organic matter is destroyed by the dry-ashing technique. Each element is obtained in the highest valency state and converted into the respective normal hydride with sodium tetrahydroborate(III), prior to atomisation in a flame-heated silica tube and atomic-absorption spectrophotometric measurement. The optimum conditions for this procedure are discussed and direct and indirect interference effects are described. The accuracy of the procedure is assessed for each element, and where possible the accuracy of the method in application is considered. Standard deviations of the results for levels normally found in foodstuffs have been calculated and derived limits of detection and confidence intervals are given.
59 citations