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https://dspace.ffh.bg.ac.rs/handle/123456789/1587| Title: | Physicochemical and structural characteristics of HEU-type zeolitic tuff treated by hydrochloric acid | Authors: | Radosavljevic-Mihajlovic, Ana Dondur, Vera Daković, Aleksandra Lemić, Jovan Tomašević-Čanović, Magdalena |
Keywords: | Acid modification;HEU-type zeolite;Novakovici;X-ray analysis | Issue Date: | 1-Jan-2004 | Journal: | Journal of the Serbian Chemical Society | Abstract: | Samples of natural HEU-type zeolites - clinoptilolite-Ca, from the Novakovici deposit (near Prijedor, Bosnia and Herzegovina) were treated with the hydrochloric acid of various concentrations (from 10-3 M to 2 M). Zeolitic tuffs before and after the acid treatment were examined using IR, XRPD, and chemical analyses. The changes in the crystal structure of acid treated samples showed a significant reduction in the crystallinity of zeolitic tuffs (60-70 %), which were effected by hydrochloric acid with concentrations of 1 M and above. |
URI: | https://dspace.ffh.bg.ac.rs/handle/123456789/1587 | ISSN: | 0352-5139 | DOI: | 10.2298/jsc0404273r |
| Appears in Collections: | Journal Article |
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