Solubility of crystalline alkali metal iodides in supercritical ammonia
The solubilities of crystalline NaI, KI and CsI in supercritical ammonia (SCA) were determined for temperatures around 420 K and different ammonia densities smaller than the critical density using the spectral charge-transfer-to-solvent (ctts) band of iodides. The optical absorptivity of the ctts ba...
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Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08968446_v35_n2_p106_Sciaini http://hdl.handle.net/20.500.12110/paper_08968446_v35_n2_p106_Sciaini |
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paper:paper_08968446_v35_n2_p106_Sciaini2023-06-08T15:49:14Z Solubility of crystalline alkali metal iodides in supercritical ammonia Sciaini, Alberto Germán Marceca, Ernesto Jose Fernandez Prini, Roberto Alkali metal iodide Charge-transfer-to-solvent Solubility Solvation Supercritical ammonia Ammonia Charge transfer Light absorption Precipitation (chemical) Solubility Solutions Ultraviolet radiation Alkali metal iodide Charge-transfer-to-solvent Solvation Supercritical ammonia Alkali metals The solubilities of crystalline NaI, KI and CsI in supercritical ammonia (SCA) were determined for temperatures around 420 K and different ammonia densities smaller than the critical density using the spectral charge-transfer-to-solvent (ctts) band of iodides. The optical absorptivity of the ctts band was also determined with the potassium salt and shown to be density independent. The results show that the solubility of the alkali metal iodides exhibit a very simple dependence on fluid density; this implies that over the density range we have explored, the first solvation shell of the ion pairs is mostly complete even at the lowest studied density. © 2005 Elsevier B.V. All rights reserved. Fil:Sciaini, G. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Marceca, E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Fernández-Prini, R. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2005 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08968446_v35_n2_p106_Sciaini http://hdl.handle.net/20.500.12110/paper_08968446_v35_n2_p106_Sciaini |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
Alkali metal iodide Charge-transfer-to-solvent Solubility Solvation Supercritical ammonia Ammonia Charge transfer Light absorption Precipitation (chemical) Solubility Solutions Ultraviolet radiation Alkali metal iodide Charge-transfer-to-solvent Solvation Supercritical ammonia Alkali metals |
spellingShingle |
Alkali metal iodide Charge-transfer-to-solvent Solubility Solvation Supercritical ammonia Ammonia Charge transfer Light absorption Precipitation (chemical) Solubility Solutions Ultraviolet radiation Alkali metal iodide Charge-transfer-to-solvent Solvation Supercritical ammonia Alkali metals Sciaini, Alberto Germán Marceca, Ernesto Jose Fernandez Prini, Roberto Solubility of crystalline alkali metal iodides in supercritical ammonia |
topic_facet |
Alkali metal iodide Charge-transfer-to-solvent Solubility Solvation Supercritical ammonia Ammonia Charge transfer Light absorption Precipitation (chemical) Solubility Solutions Ultraviolet radiation Alkali metal iodide Charge-transfer-to-solvent Solvation Supercritical ammonia Alkali metals |
description |
The solubilities of crystalline NaI, KI and CsI in supercritical ammonia (SCA) were determined for temperatures around 420 K and different ammonia densities smaller than the critical density using the spectral charge-transfer-to-solvent (ctts) band of iodides. The optical absorptivity of the ctts band was also determined with the potassium salt and shown to be density independent. The results show that the solubility of the alkali metal iodides exhibit a very simple dependence on fluid density; this implies that over the density range we have explored, the first solvation shell of the ion pairs is mostly complete even at the lowest studied density. © 2005 Elsevier B.V. All rights reserved. |
author |
Sciaini, Alberto Germán Marceca, Ernesto Jose Fernandez Prini, Roberto |
author_facet |
Sciaini, Alberto Germán Marceca, Ernesto Jose Fernandez Prini, Roberto |
author_sort |
Sciaini, Alberto Germán |
title |
Solubility of crystalline alkali metal iodides in supercritical ammonia |
title_short |
Solubility of crystalline alkali metal iodides in supercritical ammonia |
title_full |
Solubility of crystalline alkali metal iodides in supercritical ammonia |
title_fullStr |
Solubility of crystalline alkali metal iodides in supercritical ammonia |
title_full_unstemmed |
Solubility of crystalline alkali metal iodides in supercritical ammonia |
title_sort |
solubility of crystalline alkali metal iodides in supercritical ammonia |
publishDate |
2005 |
url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08968446_v35_n2_p106_Sciaini http://hdl.handle.net/20.500.12110/paper_08968446_v35_n2_p106_Sciaini |
work_keys_str_mv |
AT sciainialbertogerman solubilityofcrystallinealkalimetaliodidesinsupercriticalammonia AT marcecaernestojose solubilityofcrystallinealkalimetaliodidesinsupercriticalammonia AT fernandezpriniroberto solubilityofcrystallinealkalimetaliodidesinsupercriticalammonia |
_version_ |
1768545981032300544 |