Zobrazeno 1 - 10
of 79
pro vyhledávání: '"лантан"'
Autor:
M. A. Kozhemiak, O. O. Gurova
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 24, Iss 4(72), Pp 52-62 (2019)
The patterns of sorption of lanthanum ions from model nitrate solutions by metallurgical slag were investigated. It was shown that slag is a rather effective sorbent of lanthanum ions. The kinetics of sorption of lanthanum ions from model nitrate sol
Externí odkaz:
https://doaj.org/article/6cdc136a74064b0fbc35fd104e3315bd
Publikováno v:
Doklady Belorusskogo gosudarstvennogo universiteta informatiki i radioèlektroniki, Vol 0, Iss 8, Pp 11-17 (2019)
Characteristic properties of the formation of physical - chemical properties of a manganite with the composition La0.6Sr0.4MnO3-d were considered. It was determined that two titration current minima depending on the heating rate and the partial press
Externí odkaz:
https://doaj.org/article/ed4096e7c94a4ef5aeff0bdb2125e83a
Autor:
M. A. Kozhemiak
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 24, Iss 4(68), Pp 86-96 (2018)
The results of studies of the adsorption of lanthanum ions from aqueous solutions of kaolin are presented. It has been shown that kaolin is a fairly effective adsorbent of lanthanum ions from aqueous solutions with different pH values. The kinetics o
Externí odkaz:
https://doaj.org/article/920abca8523c49dba4b79eb144e63438
Autor:
I. A. Fastovets, A. D. Kotel’Nikova, O. B. Rogova, N. I. Sushkov, D. S. Volkov, M. A. Proskurnin, Ye. B. Pashkevich
Publikováno v:
Бюллетень Почвенного института им. В.В. Докучаева, Vol 0, Iss 88, Pp 27-46 (2017)
In conditions of the vegetation experiment with barley under the artificial illumination, we assessed the ability of lanthanum, which is one of the most widely spread lanthanons, to accumulate in leaves and stems of plants. Also we assessed its abili
Externí odkaz:
https://doaj.org/article/57e83029b83c4b5cbf93a441c2fc221d
Autor:
M. A. Kozhemiak, O. O. Gurova
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 24, Iss 3(71) (2019)
The patterns of sorption of lanthanum ions from model nitrate solutions by the natural sorbent clinoptilolite were investigated. It was shown that clinoptilolite is a rather effective sorbent of lanthanum ions. The kinetics of adsorption of lanthanum
Externí odkaz:
https://doaj.org/article/978003f5b1d24b1f987db999daa0f87b
Publikováno v:
Journal of Chemistry and Technologies; Том 31 № 1 (2023): Journal of Chemistry and Technologies; 51-60
Journal of Chemistry and Technologies; Vol. 31 No. 1 (2023): Journal of Chemistry and Technologies; 51-60
Journal of Chemistry and Technologies; Vol. 31 No. 1 (2023): Journal of Chemistry and Technologies; 51-60
The phase relations in the La2O3–Lu2O3–Er2O3 ternary system at 1500 and 1600 °C were studied in the whole concentration range by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Oxides of La, Lu, and Er (99.99 %) were used as star
Publikováno v:
Journal of Chemistry and Technologies; Том 31 № 1 (2023): Journal of Chemistry and Technologies; 51-60
Journal of Chemistry and Technologies; Vol. 31 No. 1 (2023): Journal of Chemistry and Technologies; 51-60
Journal of Chemistry and Technologies; Vol. 31 No. 1 (2023): Journal of Chemistry and Technologies; 51-60
The phase relations in the La2O3–Lu2O3–Er2O3 ternary system at 1500 and 1600 °C were studied in the whole concentration range by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Oxides of La, Lu, and Er (99.99 %) were used as star
Publikováno v:
Odesa National University Herald. Chemistry; Vol. 27 No. 3(83) (2022); 63-75
Вестник Одесского национального университета. Химия; Том 27 № 3(83) (2022); 63-75
Вісник Одеського національного університету. Хімія; Том 27 № 3(83) (2022); 63-75
Вестник Одесского национального университета. Химия; Том 27 № 3(83) (2022); 63-75
Вісник Одеського національного університету. Хімія; Том 27 № 3(83) (2022); 63-75
Conditions necessary for the formation of La(III)-containing polyoxotungstates in solutions of the system Na2WO4 – HNO3 – La(NO3)3 – H2O/Solvent (Solvent = acetone, acetonitrile, ethanol; 50/50 vol.% Н2О: Solvent ratio) acidified to acidity Z
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 20, Iss 1(53), Pp 68-76 (2015)
The article provides the results of studies of flotation separation of scandium and lanthanum by transforming them into oxalate complexes (oxalate) followed by flotation using cationic collector – dodecylamine chloride. The kinetics of flotation is
Externí odkaz:
https://doaj.org/article/6d4c5699902c439d80544c58af446663
Publikováno v:
RUDN Journal of Engineering Research, Vol 0, Iss 2, Pp 40-49 (2014)
Proposes the authors combined flotation and gidrometallurgical technologies for rare alkali metals of mica and the poor content of metals leykokratovyh granites. Extraction technology rhenium are developed from dusts and mining and metallurgical ente
Externí odkaz:
https://doaj.org/article/b4f2c19cb82148ce965dd8665bd66eb3