TEMPERATURE AND PRESSURE-DEPENDENCE OF SELF-DIFFUSION IN OCTAMETHYLCYCLOTETRASILOXANE AND HEXAMETHYLCYCLOTRISILAZANE

GREINERSCHMID, A and HAS, M and LUDEMANN, HD (1990) TEMPERATURE AND PRESSURE-DEPENDENCE OF SELF-DIFFUSION IN OCTAMETHYLCYCLOTETRASILOXANE AND HEXAMETHYLCYCLOTRISILAZANE. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES, 45 (11-12). pp. 1281-1284. ISSN 0932-0784,

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Abstract

The pressure dependence of the self diffusion coefficient D for octamethylcyclotetrasiloxane and hexamethylcyclotrisilazane has been determined by the NMR spin echo technique with pulsed magnetic field gradients at pressures up to 200 MPa and at temperatures between 490 K and 290 K. The data extend partially into the deeply supercooled range. The isobaric temperature dependence of these data is quantitatively described by the empirical Vogel-Fulcher-Tammann equation. For both substances the melting pressure curves were determined in addition.

Item Type: Article
Uncontrolled Keywords: LIQUIDS; WATER;
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:48
URI: https://pred.uni-regensburg.de/id/eprint/55246

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