STUDY OF IONIC SOLVATION AND DETERMINATION OF SOLVATION NUMBERS OF ALKALINE EARTH CATIONS WITH HMPA IN NITROMETHANE USING H-NMR TECHNIQUE

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ALIZADEH N.

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ISSN: 2588-4824

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Journal: JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY) Year:2005 | Volume:15 | Issue:56 Page(s): 174-179

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Title

STUDY OF IONIC SOLVATION AND DETERMINATION OF SOLVATION NUMBERS OF ALKALINE EARTH CATIONS WITH HMPA IN NITROMETHANE USING H-NMR TECHNIQUE

Author(s)

ALIZADEH N. | Issue Writer Certificate

Keywords

IONIC SOLVATIONQ4

SOLVATION NUMBERQ4

ALKALINE EARTHQ4

NITROMETHANEQ4

NUCLEAR MAGNETIC RESONANCEQ4

Abstract

A proton NMR method for the determination of SOLVATION NUMBERs of ALKALINE EARTH cations with hexamethyl phosphoramide in NITROMETHANE as diluent is described. The method is based on monitoring the resonance frequency of solvent's protons as a function of solvent to metal ion mole ratio at constant metal ion concentration. The average SOLVATION NUMBER of cations, n, at any solvent/metal ion mole ratio was calculated from the NMR chemical shift-mole ratio data and was plotted against the mole ratio values. The SOLVATION NUMBERs of ALKALINE EARTH cations were obtained from the limiting values of the corresponding n, vs. mole ratio plots.The effect of presence of water on the SOLVATION NUMBERs of ALKALINE EARTH cations with HMP A was studied. In this case, variations in the resonance frequency of H2O protons brought about upon titration of the cations by HMP A was used to estimate the SOLVATION NUMBER of cations with these solvents.

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APA: Copy

ALIZADEH, N.. (2005). STUDY OF IONIC SOLVATION AND DETERMINATION OF SOLVATION NUMBERS OF ALKALINE EARTH CATIONS WITH HMPA IN NITROMETHANE USING H-NMR TECHNIQUE. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), 15(56), 174-179. SID. https://sid.ir/paper/70396/en

Vancouver: Copy

ALIZADEH N.. STUDY OF IONIC SOLVATION AND DETERMINATION OF SOLVATION NUMBERS OF ALKALINE EARTH CATIONS WITH HMPA IN NITROMETHANE USING H-NMR TECHNIQUE. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY)[Internet]. 2005;15(56):174-179. Available from: https://sid.ir/paper/70396/en

IEEE: Copy

N. ALIZADEH, “STUDY OF IONIC SOLVATION AND DETERMINATION OF SOLVATION NUMBERS OF ALKALINE EARTH CATIONS WITH HMPA IN NITROMETHANE USING H-NMR TECHNIQUE,” JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), vol. 15, no. 56, pp. 174–179, 2005, [Online]. Available: https://sid.ir/paper/70396/en

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