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2007 | 5 | 1 | 13-19
Tytuł artykułu

Influence of complexation on the composition of equilibrium phases in the system of Ce2(SO4)3-La2(SO4)3

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The cocrystallization of Ce2(SO4)3 and La2(SO4)3 is studied in aqueous and H2SO4 (150 g/dm3) solutions at 25 °C and 64 °C. The effect of the formation of inner sphere sulfate complexes of the type LnSO 4+ in determining the composition of the equilibrium phases is revealed. [...]
Słowa kluczowe
Wydawca
Czasopismo
Rocznik
Tom
5
Numer
1
Strony
13-19
Opis fizyczny
Daty
wydano
2007-03-01
online
2007-03-01
Twórcy
  • Faculty of Chemistry, University of Sofia, Sofia, 1164, Bulgaria
  • Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia, 1113, Bulgaria
  • Faculty of Chemistry, University of Sofia, Sofia, 1164, Bulgaria
  • Faculty of Chemistry, University of Sofia, Sofia, 1164, Bulgaria
Bibliografia
  • [1] G. Tyler: “Rare earth elements in soil and plant systems-A review”, Plant and Soils, Vol. 267, (2004), pp. 191–206. http://dx.doi.org/10.1007/s11104-005-4888-2[Crossref]
  • [2] Z. Hu, S. Haneklans, G. Sparovek and E. Schung: “Rare earth elements in soils”, Commun. Soil Sci. Plant Analysis, Vol. 37, (2006), pp. 1381–1420. http://dx.doi.org/10.1080/00103620600628680[Crossref]
  • [3] J. Kevin, H.J. Johanesson and Zh. Xiaoping: “Geochemistry of the rare earth elements in natural terrestrial waters”, Chinese J. Geochem., Vol. 79, (1997), pp. 20–42.
  • [4] E.P. Lokshin, Yu.A. Vershkova, A.V. Vershkov and O.A. Tareeva: “Efficiency of sulfuric acid leaching of lanthanides in relation to quality of phosphosemihydrate obtained from Khibiny apatite concentrate”, Russ. J. Appl. Chem., Vol. 75, (2002), pp. 1572–1576. http://dx.doi.org/10.1023/A:1022298911751[Crossref]
  • [5] V.N. Lebedev: “Sulfuric acid technology for processing of eudialite concentrate”, Russ. J. Appl. Chem., Vol. 76, (2003), pp. 1559–1563. http://dx.doi.org/10.1023/B:RJAC.0000015712.10513.94[Crossref]
  • [6] E.P. Lokshin, O.A. Tareeva and T.G. Kashulina: “Desulfation of rare-earth concentrates”, Russ. J. Appl. Chem., Vol. 79, (2006), pp. 534–538. http://dx.doi.org/10.1134/S1070427206040057[Crossref]
  • [7] D. Todorovsky, M. Milanova, N. Minkova and V. Diakovich: “The sulfuric acid processing of rare earth concentrate with high calcium content: an attempted simplified mathematical description“, Hydrometallurgy, Vol. 33, (1993), pp. 359–365. http://dx.doi.org/10.1016/0304-386X(93)90072-L[Crossref]
  • [8] J.A.N. Friend: “The solubility of neodymium sulphate in water and in sulphuric acid solutions at various temperatures“, J. Chem. Soc., (1930), pp. 1633–1642. [Crossref]
  • [9] V.V. Serebrennikov: Khimiya redkozemel/nikh elementov (Chemistry of the rare earths), Vol. 1, Izd. Tomskogo Univ., Tomsk, 1959 (in Russian).
  • [10] O.A. Govorukhina, S.D. Nikitina, R.A. Popova, M.A. Letetskaya and V.I. Belokoskov: “Izuchenie sul/fatov neodyma v systeme Nd2O3-SO3-H2O pri 200 °C (Study of neodymium sulfates in the Nd2O3-SO3-H2O system at 200 °C“, Zh. Neorg. Khim., Vol. 31, (1986), pp. 338–344 (in Russian).
  • [11] Handbook of Inorganic Chemistry, Vol. 39, Springer Verlag, Berlin-Heidelberg - New York, 1981.
  • [12] Spravochnik khimika, t.III. Khimia, Moskva, Leningrad, 1964, p.191, 204 (in Russian).
  • [13] O.A. Govorukhina, R.A. Popova, S.D. Nikitina, M.A. Letetskaya and V.I. Belokoskov: “Issledovanie svoistv nekotorykh sul/fatov ceriya (Study of some properties of cerium sulfates)”, Zh. Neorg. Khim., Vol. 29, (1984), pp. 1430–1436 (in Russian).
  • [14] K.I. Portnoj and N.I. Timofeeva: Kislorodnye soedineniya redkozemel’nykh elementov (Oxygen compounds of the rare earths), Metallurgiya, Moskva, 1986 (in Russian).
  • [15] E.P. Lokshin, O.A. Tareeva, K.G. Ivlev and T.G. Kashulina: “Solubility of double alkali metal (Na, K) rare earth (La, Ce) sulfates in sulfuric - phosphoric acid solutions at 20 0C”, Russ. J. Appl. Chem., Vol. 78, (2005), pp. 1058–1063. http://dx.doi.org/10.1007/s11167-005-0449-y
  • [16] A.V. Nikolaev, A.A. Sorokina, V.N. Lubanova and N.G. Yudina: Osnovy vzaimodejstviya RZE v vode (Bases of rare earths interaction in water), Nauka, Novosibirsk, 1977 (in Russian).
  • [17] G. Brunisholz, J.P. Quinche and A.M. Kalo: “Sur la separation des terres rares“, Helv. Chim. Acta, Vol. 47, (1964), pp. 14–27. http://dx.doi.org/10.1002/hlca.19640470105[Crossref]
  • [18] G. Brunisholz and M. Nozary: “Sur la separation des terres rares. Systemes de solubilite comprenant des chlorures de terres ceriques“, Helv. Chim. Acta, Vol. 52, (1969), pp. 2303–2314. http://dx.doi.org/10.1002/hlca.19690520812[Crossref]
  • [19] V.A. Bogatyreva, T.N. Tsibakova and L.F. Serzhenko: In: Sintez i reaktsionnaya sposobnost veschtestv (Synthesis and reactivity of the substances), Izd. Tomskogo Univ., Tomsk, 1986 (in Russian).
  • [20] D. Todorovsky, M. Milanova, N. Minkova and Ch. Balarev: “Solubility of some lanthanide sulfates in polycomponent systems containing H2SO4“, Monatsh. Chem., Vol. 124, (1993), pp. 673–679. http://dx.doi.org/10.1007/BF00817302[Crossref]
  • [21] V.A. Batyreva, V.V. Kozik, V.V. Serebrennikov et al.: Sintezy soedinenij redkozemel/nykh elementov (Synthesis of rare earth compounds), Izd. Tomskogo Univ., Tomsk, 1983 (in Russian).
  • [22] K.B. Yatsimirskij, N.A. Kostromina, Z.A. Sheka, N.K. Davidenko, E.E. Eres and V.I. Ermolenko: Khimiya kompleksnykh soedinenij redkozemel’nykh elementov (Chemistry of the rare earths complex compounds), Naukova dumka, Kiev, 1966 (in Russian).
  • [23] J. Schijf and R.H. Byrne: “Stability constants for sulfate complexation of yttrium and the rare earth elements”, In: Amer. Geophys. Union, Fall Meeting 2002, abstr. #B72B-0770.
  • [24] T.W. Newton and G.M. Arcand: “A spectrophotometric study of the complex formed between cerous and sulfate ions“, J. Am. Chem. Soc., Vol. 75, (1953), pp. 2449–2453. http://dx.doi.org/10.1021/ja01106a051[Crossref]
  • [25] V.I. Kravtsov, G.K. Stolyarov and O.A. Izhak: “Issledovanie sul’fatnikh kompleksov tseriya(III) v rastvorakh sernoj kisloty (Study of the sulfate complexes in sulfuric acid solutions)”, Zh. Neorg. Khim., Vol. 24, (1979), pp. 3254–3259 (in Russian).
  • [26] G.I. Tsizin, G.I. Malofeeva, K.I. Tobelko, V.S. Urusov, N.B. Kalinichenko and I.N. Marov: “Mutual effect of elements during coprecipitation. Cocrystallization of rare earths under conditions for the formation of double sulfates by alkali and alkaline earth metals“, Zh. Anal. Khim., Vol. 40, (1985), pp. 1962–1971 (in Russian).
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-006-0060-y
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