Method for analyzing refrigerant properties

Details Method for analyzing refrigerant properties Method for analyzing refrigerant properties

1995-01-09

1996-05-07

Snay, Jeffrey R.

Chemistry: analytical and immunological testing

Halogen containing

Carbon containing compound

436171, 436181, 422 8209, 62125, G01N 142

Patent

active

055145957

ABSTRACT:
One or more properties of a refrigerant sample, such as composition, purity or both composition and purity, are analyzed for purposes of refrigerant recovery and reuse by providing a refrigerant cell having a chamber for containing a refrigerant sample and a passage for connecting the chamber to a source of refrigerant in vapor phase. The sample chamber and passage are evacuated, and the chamber and at least a portion of the passage contiguous with the chamber are cooled until the temperature thereof reaches a predetermined temperature at or below ambient temperature. After the chamber and passage have been evacuated and cooled, the passage is connected to a source of refrigerant in vapor phase such that a refrigerant vapor sample is drawn into the chamber and condensed to liquid phase. After the cell chamber has been filled with a liquid refrigerant sample, one or more desired properties of the liquid refrigerant sample are measured or detected.

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