A nanosecond temperature-jump apparatus for high pressures. 1979

K G Liphard
Institute of Physical Chemistry, University of Bochum, D-4630 Bochum, Federal Republic of Germany.

An apparatus is described which extends the time range of the temperature-jump technique at high pressures to the nanosecond region. A temperature increase of a few degrees can be obtained within approximately 50 ns by discharging a high-voltage coaxial cable. Reactions are followed spectrophotometrically. Details of the temperature-jump microcell and high-pressure autoclave are presented. An application of this method is given for the reaction of phenol red with NH4+/NH3 buffer at 1 and 2000 bars.

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