Zobrazeno 1 - 10
of 25
pro vyhledávání: '"T. A. Dik"'
Publikováno v:
Journal of Structural Chemistry. 60:1940-1945
Copper bis(acetylacetonate) is studied using mass spectrometry taking account of the natural isotopic composition of the metal. Valid data are obtained for the intensity of copper cations in the mass spectrum, which are confirmed by expected intensit
Publikováno v:
Russian Journal of Inorganic Chemistry. 52:577-580
Acetylacetonatozinc and trifluoroacetylacetonatozinc chelates have been prepared by electrolysis and ligand exchange. Their compositions were determined by elemental analysis, IR spectroscopy, thermogravimetry (TGA), and differential thermal analysis
Publikováno v:
Russian Journal of Applied Chemistry. 79:74-78
The possibility of preparing gadolinium chelates of various compositions by electrolysis of a nonaqueous solution containing thenoyltrifluoroacetone was examined.
Publikováno v:
Radiochemistry. 46:552-555
Anodic dissolution of lanthanum metal in the presence of acetylacetone in ethanol, acetonitrile, and water was studied. Adducts of lanthanum tris-β-diketonates [La(EtOH)0.5(AA)3], [La(HAA)(AA)3], and La(AA)3(H2O)4, respectively, were isolated from t
Publikováno v:
Journal of Applied Spectroscopy. 71:147-150
Based on the electronic absorption spectra of Pr3+, Nd3+, Eu3+, Ho3+, and Er3+ ions in 1 M aqueous solutions of chloric acid, calibration graphs have been constructed in a “concentration of metals–optical density of a solution” format for diffe
Autor:
T. A. Dik
Publikováno v:
Journal of Applied Spectroscopy. 70:861-867
The specifics of the kinematic and dynamic parameters of the XO3n− groups attached in a different way to a central atom have been determined by the methods of experimental and computational vibrational spectroscopy. The characteristic nature of ind
Publikováno v:
Journal of Applied Spectroscopy. 70:729-732
On the basis of the electronic absorption spectra of Sm3+ ions in aqueous solutions of hydrochloric and perchloric acids (1M) calibration plots of samarium content against the optical density of the solutions have been constructed for frequencies 47,
Autor:
T. A. Dik
Publikováno v:
Journal of Applied Spectroscopy. 69:351-356
Chemical conversions occurring in a hardening medium based on I‐20A mineral oil through its service‐life are investigated by spectroscopy methods in the IR, visible, and UV regions and by luminescence, mass‐spectroscopy, and elemental analysis
Autor:
T. A. Dik
Publikováno v:
Journal of Applied Spectroscopy. 68:55-60
The IR and Raman vibrational spectra of a number of uranyl nitrate complexes with tertiary aliphatic phosphine oxides in a solid phase and solutions have been investigated. It is found that the spectral characteristics of these complexes are independ
Autor:
T. A. Dik
Publikováno v:
Journal of Applied Spectroscopy. 68:602-608
The vibrational spectra of a number of polycrystalline oxalate complexes of uranyl with neutral organophosphorus ligands have been investigated. Based on the empirical formula of the compounds, the results of the analysis of experimental IR absorptio