Russian Journal of Inorganic Chemistry, Tập 40,Trang 1527-2028Chemical Society., 1995 |
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Kết quả 1-3 trong 34
Trang 1854
... Extraction of trace amounts of gold from aqueous HCl solutions with phosphoryl - containing podands in dichloroethane is studied . The extraction ability and selectivity of the podands are shown to be dependent on their structure . The ...
... Extraction of trace amounts of gold from aqueous HCl solutions with phosphoryl - containing podands in dichloroethane is studied . The extraction ability and selectivity of the podands are shown to be dependent on their structure . The ...
Trang 1856
... extraction from 4 M HCl with 0.05 M solutions of the podands in dichloroethane . BAu / Ag 50 30- 10 3 4 4 5 2 3 6 m Fig . 2. Selectivity ratios of gold and silver ( ẞAu / Ag ) as a function of the number ( m ) of donor centers in a ...
... extraction from 4 M HCl with 0.05 M solutions of the podands in dichloroethane . BAu / Ag 50 30- 10 3 4 4 5 2 3 6 m Fig . 2. Selectivity ratios of gold and silver ( ẞAu / Ag ) as a function of the number ( m ) of donor centers in a ...
Trang 1992
... extraction , a two - step washing of the organic phase with 0.1 M nitric acid solution , and a tree - step stripping extraction . The ammonium salts of C - C , monocarboxylic acids were used as the extract- ing agents . After the three ...
... extraction , a two - step washing of the organic phase with 0.1 M nitric acid solution , and a tree - step stripping extraction . The ammonium salts of C - C , monocarboxylic acids were used as the extract- ing agents . After the three ...
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Synthesis and Properties of Zirconium Niobium and Tantalum Oxide Films | 1534 |
Polymorphism in Cobalt Metavanadate | 1540 |
PentafluoroantimonatesIII with Mixed Univalent Cations | 1547 |
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13C NMR acetonitrile acid Akad analysis angles anion aqueous solutions basis set bismuth bond lengths calcd calcium calculations cation Chem chemical chemical shifts chloride cm-¹ complexes composition compounds concentration constants coordination corresponding crown ether crystals curves determined electron electron correlation energy English Translation Copyright enthalpy equilibrium ethanol ethylenediamine experimental extraction fluoride formation frequencies H₂O Hayka/Interperiodica Publishing Russia heating hydrogen bonds Inorg Inorganic Chemistry interaction ionic ions isomer kcal/mol Khim kJ/mol ligand magnesium melt metal mol/l molecule monoclinic Moscow Nauk SSSR Neorg nitrate NMR spectra NMR Spectroscopy obtained Original Russian Text oxides oxygen atoms perchlorate peritectic platinum(II plexes precipitate Raman range ratio reaction Russia Received Russian Academy Russian Text Copyright salts samples sodium solid phase solu solubility solvent spectrum stability structure studied sulfate synthesis Table temperature ternary thermal thermodynamic tion ture unit cell values vibrations X-ray diffraction