Method and device for measuring the freezing point lowering
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United States of America Patent
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-
Dec 8, 1981
Grant Date -
N/A
app pub date -
Sep 18, 1979
filing date -
Sep 19, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and device for measuring the osmotic pressure on the basis of an improved supercooling process, whereby and wherein cryohydrate nuclei are made to generate almost spontaneously in a part of a sample liquid by cooling the above part down further to a temperature (to an extra-supercooled state) lower than the temperature of a supercooled state, wherethrough the sample liquid as a whole is induced to freeze statically. Because of a non-necessity of using any stirring rod, it becomes possible to design a small-sized device, to reduce the sample liquid to be used to a possible infinitesimal, and further to perform the continuous measurement with the aid of the adoption of a flow cell.
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