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The washes are combined with the solution , and aqueous ammonia is added under stirring and controlling pH . Copper precipitates at a pH of approximately 5 ; the reac- tion must be terminated at pH 5.8 - 6.0 .
The washes are combined with the solution , and aqueous ammonia is added under stirring and controlling pH . Copper precipitates at a pH of approximately 5 ; the reac- tion must be terminated at pH 5.8 - 6.0 .
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This fact is explained by their higher light output and improved color reproduc- tion , as well as a high stability under a mercury lamp . Besides , these are high - melting compounds , whose syn- thesis temperature is 1500-1700 ° C [ 1 ] ...
This fact is explained by their higher light output and improved color reproduc- tion , as well as a high stability under a mercury lamp . Besides , these are high - melting compounds , whose syn- thesis temperature is 1500-1700 ° C [ 1 ] ...
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This approach is the concep- tion of vibronic interactions , which are the cause of the Jahn - Teller effect [ 55 , 56 ] . The Jahn - Teller effect ( and pseudoeffect ) describes the correlation between the electron state and the ...
This approach is the concep- tion of vibronic interactions , which are the cause of the Jahn - Teller effect [ 55 , 56 ] . The Jahn - Teller effect ( and pseudoeffect ) describes the correlation between the electron state and the ...
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Vol 40 No 4 | 511 |
Synthesis and Thermal Stability of Praseodymium Triiodide and Oxoiodide | 519 |
Interaction of Strontium Chloride with NiobiumV Oxide | 527 |
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absorption according acid addition analysis angles anion approximately aqueous atoms band bond calculated cations Chem chemical Chemistry cm-¹ complex components composition compounds concentration considered constant containing coordination Copyright corresponding crystal curve cycle decomposition decrease dependence described determined diffraction distances distribution effect electron elements energy equation equilibrium exhibits experimental extraction fact formation heating hydrogen increase initial Inorganic intense interaction ions Khim ligand liquid measured melting metal method mixture mol/l molecules Moscow Neorg Note observed obtained occurs oxidation oxygen parameters peritectic phase position possible powder prepared presented properties Publishing range ratio reaction REFERENCES region respectively Russian salts sample Sciences shows similar sodium solid solution space group spectra spectrum stability structure studied surface synthesis Table temperature thermal tion transition values vibrations weight X-ray