Method and apparatus for determining phase transition temperatur

Details Method and apparatus for determining phase transition temperatur Method and apparatus for determining phase transition temperatur

1986-12-30

1989-02-14

Cuchlinski, Jr., William A.

Thermal measuring and testing

Transformation point determination

By change in optical property

374 25, 374 16, G01N 2504, G01N 2512

Patent

active

048042749

ABSTRACT:
Disclosed are methods and apparatus for determining phase transition temperatures and, more particularly, for determining cloud, fluidity, freezing, and haze points of hydrocarbon fuels and hydrocarbon/oxygenate fuel blends. The attenuation of laser light as it passes through the sample, then through a laser line filter, and then into a photodetector is used to determine the transition temperature.

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