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pro vyhledávání: '"D. S. Zinin"'
Autor:
D. S. Zinin
Publikováno v:
Courier of Kutafin Moscow State Law University (MSAL)). 1:77-86
Autor:
D. S. Zinin, N. N. Bushuev
Publikováno v:
Russian Journal of Inorganic Chemistry. 63:1211-1216
The separation of lanthanides from calcium compounds in the form of oxalates from hot nitric acid solutions of Ln(NO3)3 and Ca(NO3)2 with the insertion of oxalic acid and a Ln2(C2O4)3 · nH2O crystal seed was studied by mass-spectrometric, atomic emi
Autor:
D. S. Zinin, N. N. Bushuev
Publikováno v:
Russian Journal of Inorganic Chemistry. 63:251-255
The temperature regions for separate crystallization of rare-earth element (REE) oxides of the cerium group in the presence of CaCO3 have been determined using X-ray diffraction, differential thermogravimetric analysis, inductively coupled plasma mas
Publikováno v:
Journal of Analytical Chemistry. 72:279-288
Industrial sediments of calcium sulfate semihydrate obtained from industrial extraction phosphoric acid and containing 0.3–4.5 wt % of impurity La−Sm are investigated by energy-dispersive X-ray fluorescence analysis (XRFA) and a procedure for the
Autor:
D. S. Zinin, N. N. Bushuev
Publikováno v:
Russian Journal of Inorganic Chemistry. 61:161-167
Thermal decomposition of Ln2(C2O4)3 · 9H2O concentrate (Ln = La, Ce, Pr, Nd) in the presence of CaC2O4 · H2O was studied by X-ray diffraction, thermogravimetry, and chemical analysis. Annealing at temperatures above 374°C in the absence of calcium
Autor:
N. N. Bushuev, D. S. Zinin
Publikováno v:
Russian Journal of Applied Chemistry. 87:1611-1618
Mass-spectral and atomic-emission analyses with inductively coupled plasma, gravimetry, photometry, photocolorimetry, ionometry, titrometry, X-ray phase and thermogravimetric analyses, and scanning electron microscopy were used to study the phase and