Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Aleksandar Bojic"'
Autor:
Tatjana Andjelkovic, J. Perovic, M. Purenovic, Srdjan Blagojevic, R. Nikolic, Darko Andjelkovic, Aleksandar Bojic
Publikováno v:
Eclética Química, Vol 31, Iss 3, Pp 39-46 (2018)
A direct potentiometric titration method was applied to commercial and soil humic acids in order to determine their carboxyl and phenol group concentrations and apparent and intrinsic pK. In that context, acid-base properties of humic acids are inter
Externí odkaz:
https://doaj.org/article/e44352ffe50e4cb291c225985b8f0bce
Publikováno v:
Facta universitatis - series: Physics, Chemistry and Technology. 19:1-15
Environmental pollution remains one of the most serious world problems. Great efforts are made to limit the release of harmful compounds into the environment, and a variety of methods for remediation of soil, surface water, and groundwater have been
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54979561d1ecd989b490b66b3fad9268
https://doi.org/10.2298/fupct2101001j
https://doi.org/10.2298/fupct2101001j
Autor:
Jelena Čović, Valentin Mirčeski, Aleksandra Zarubica, Aleksandar Bojić, Miloš Marinković, Marjan Ranđelović
Publikováno v:
Macedonian Journal of Chemistry and Chemical Engineering, Vol 42, Iss 2 (2023)
The study of hydrogen peroxide reduction in an alkaline aqueous medium on a composite of palladium particles dispersed in an amorphous carbon matrix (Pd@AC) was performed. Scanning Electron Microscopy (SEM), Energy-dispersive X-ray spectroscopy (EDX)
Externí odkaz:
https://doaj.org/article/01d6bdd82582482d851e8ff06ce8e8d4
Autor:
IVANA KOSTIĆ, TATJANA ANĐELKOVIĆ, RUŽICA NIKOLIĆ, ALEKSANDAR BOJIĆ, MILOVAN PURENOVIĆ, SRĐAN BLAGOJEVIĆ, DARKO ANĐELKOVIĆ
Publikováno v:
Journal of the Serbian Chemical Society, Vol 76, Iss 9, Pp 1325-1336 (2011)
The stability of metal–humate complexes is an important factor determining and predicting speciation, mobility and bioavailability of heavy metals in the environment. A comparative investigation of the complexation of Cu(II) and Pb(II) with humic a
Externí odkaz:
https://doaj.org/article/7e10b9a767a446b2a5f408778c59a7d6
Publikováno v:
Macedonian Journal of Chemistry and Chemical Engineering, Vol 29, Iss 2, Pp 215-224 (2010)
The binding of Cd(II) to soil humic acid (HA) at pH 6.5 and in 0.1 mol/L KNO3 ionic medium, was studied by potentiometric titration with a cadmium ion selective electrode. The influence of carboxyl groups in cation-humic interactions was investigated
Externí odkaz:
https://doaj.org/article/f49e16a3f3ee4d7b970ec98513d32235
Autor:
Tatjana Anđelković, Jelica Perović, Srđan Blagojević, Milovan Purenović, Ružica Nikolić, Aleksandar Bojić, Darko Anđelković
Publikováno v:
Macedonian Journal of Chemistry and Chemical Engineering, Vol 25, Iss 2, Pp 131-137 (2006)
Acidic properties of polyprotic acids, such as humic acid, can be described quantitatively with potentiometric titration interpreted with the modified Henderson-Hasselbalch equation. Oxygen-containing functional groups such as carboxylic, phenolic, a
Externí odkaz:
https://doaj.org/article/ceb2f99cfebb43128534ec72c467c7c7