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Thermal study and mechanism of Ag2S oxidation in air
(Springer, Dordrecht, 2013)
The results of thermal study and mechanism of the oxidation process of synthetic Ag2S in air are presented in this article based on the comparative analysis of DTA and XRD results, as well as by constructed phase stability ...
Removal of heavy metals from aqueous solution using natural and fe(iii) oxyhydroxide clinoptilolite
(Springer, New York, 2013)
The increasing levels of industrial wastewater released to the environment present a serious threat to human health, living resources, and ecological systems. Fe-modified zeolites were developed and tested for removal of ...
An investigation of diclofenac sodium release from cetylpyridinium chloride-modified natural zeolite as a pharmaceutical excipient
(Elsevier Science Bv, Amsterdam, 2013)
In this paper, investigations of zeolite - cationic surfactant - drug composites as drug carriers were performed. For that purpose, after adsorption of the model drug - diclofenac sodium (DS) onto composites obtained by ...
Biomasa kao značajan obnovljivi izvor energije (OIE) na području opštine Majdanpek / Biomass as a significant source of energy in the municipality of Majdanpek
(Naučno-stručno društvo za zaštitu životne sredine Srbije - Ecologica, Beograd, 2013)
Biomasa, kao obnovljivi izvor energije, može se konvertovati u energiju na tri načina: termalnom konverzijom, hemijskom konverzijom i biohemijskom konverzijom. U ovom radu se razmatra konverzija biomase koja potiče od ...
Postupci prerade sekundarnih sirovina bakra / Procedures for processing of copper secondary raw materials
(Inženjersko društvo za koroziju, Beograd, 2013)
Tehnološki postupci prerade sekundarnih sirovina bakra uključuju dva osnovna stupnja: pripremu bakarnih otpadaka i njihovu dalju metaluršku preradu. Za pripremu bakarnih otpadaka koriste se različiti postupci u zavisnosti ...
Olovo u atmosferskim padavinama - analiza rezultata praćenja zagađenosti atmosferskih padavina na lokaciji "Kamenički vis" / Lead in atmospheric precipitation: Analysis of atmospheric precipitation pollution monitoring data for location "Kamenički vis", Serbia
(Savez hemijskih inženjera, Beograd, 2013)
U radu je dat pregled rezultata praćenja sadržaja olova u atmosferskim padavinama uzorkovanim na GAW/EMEP (Global Atmosphere Watch/European Monitoring and Evaluation Programme) stanici "Kamenički vis" u periodu od 2000. ...
Mechanism of stearic acid adsorption to calcite
(Elsevier, Amsterdam, 2013)
This paper presents the interpretation of binding mechanism of stearic acid for calcite surface in two modification methods. In the "dry" method, a surface dissociation of stearic acid is assumed where H+ ion goes to a ...
Kvalitet zeolita iz ležišta Vranjska banja po klasama krupnoće / Quality of zeolit from Vranjska banja deposit according to size classes
(Savez hemijskih inženjera, Beograd, 2013)
Obavljena su ispitivanja kvaliteta polaznog uzorka i kvaliteta pojedinih klasa krupnoće na uzorku prirodnog zeolita iz ležišta Zlatokop (okolina Vranjske Banje, Srbija). Cilj ispitivanja je bio da se utvrdi homogenost ...
Influence of prolonged sintering time on density and electrical properties of isothermally sintered cordierite-based ceramics
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2013)
Mehanička aktivacija je brza i jeftina procedura koja se obično koristi za pripremanje uzoraka pre procesa sinterovanja. Kordijerit, stehiometrijska mešavina tri različita oksida (2MgO⋅2Al2O3⋅5SiO2) je veoma atraktivan, i ...
Renewable silver-amalgam film electrode for voltammetric monitoring of solar photodegradation of imidacloprid in the presence of Fe/TiO2 and TiO2 catalysts
(Elsevier Science Sa, Lausanne, 2013)
A rapid and sensitive voltammetric method has been developed for the characterization and determination of the imidacloprid insecticide by means of square-wave voltammetry (SWV) with a silver-amalgam film electrode (Hg(Ag)FE) ...