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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Autores principales: Sciaini, Alberto Germán, Marceca, Ernesto Jose, Fernandez Prini, Roberto
Publicado: 2005
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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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spelling 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
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