Emulsion techniques for the study of glass formation. 2. Low melting point salt hydrates

D. R. MacFarlane; C. A. Angell

doi:10.1021/j150664a066

Emulsion techniques for the study of glass formation. 2. Low melting point salt hydrates

D. R. MacFarlane, C. A. Angell

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Abstract

An emulsion technique suitable for the emulsification of inorganic salt hydrates with melting points above room temperature but below ∼100°C has been developed. When quenched many of these emulsified hydrates are found, by differential scanning calorimetry, to vitrify, whereas the bulk liquid hydrates always crystallize even when small samples are quenched into liquid nitrogen. The DSC determined glass transition temperatures lie on reasonable interpolations of existing T_g data for aqueous solutions of concentration both above and below that of the hydrate. These hydrate emulsions may prove useful for extended liquid-state studies of these compounds.

Original language	English (US)
Pages (from-to)	4779-4781
Number of pages	3
Journal	Journal of physical chemistry
Volume	88
Issue number	20
DOIs	https://doi.org/10.1021/j150664a066
State	Published - Jan 1 1984
Externally published	Yes

ASJC Scopus subject areas

General Engineering
Physical and Theoretical Chemistry

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10.1021/j150664a066

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abstract = "An emulsion technique suitable for the emulsification of inorganic salt hydrates with melting points above room temperature but below ∼100°C has been developed. When quenched many of these emulsified hydrates are found, by differential scanning calorimetry, to vitrify, whereas the bulk liquid hydrates always crystallize even when small samples are quenched into liquid nitrogen. The DSC determined glass transition temperatures lie on reasonable interpolations of existing Tg data for aqueous solutions of concentration both above and below that of the hydrate. These hydrate emulsions may prove useful for extended liquid-state studies of these compounds.",

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N2 - An emulsion technique suitable for the emulsification of inorganic salt hydrates with melting points above room temperature but below ∼100°C has been developed. When quenched many of these emulsified hydrates are found, by differential scanning calorimetry, to vitrify, whereas the bulk liquid hydrates always crystallize even when small samples are quenched into liquid nitrogen. The DSC determined glass transition temperatures lie on reasonable interpolations of existing Tg data for aqueous solutions of concentration both above and below that of the hydrate. These hydrate emulsions may prove useful for extended liquid-state studies of these compounds.

AB - An emulsion technique suitable for the emulsification of inorganic salt hydrates with melting points above room temperature but below ∼100°C has been developed. When quenched many of these emulsified hydrates are found, by differential scanning calorimetry, to vitrify, whereas the bulk liquid hydrates always crystallize even when small samples are quenched into liquid nitrogen. The DSC determined glass transition temperatures lie on reasonable interpolations of existing Tg data for aqueous solutions of concentration both above and below that of the hydrate. These hydrate emulsions may prove useful for extended liquid-state studies of these compounds.

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Emulsion techniques for the study of glass formation. 2. Low melting point salt hydrates

Abstract

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