Historical
ASHRAE Guideline 38-2018
Guideline for Using Metal Pressure Vessels to Test Materials Used in Refrigeration Systems
Intended to establish a test procedure using metal pressure vessels for the evaluation of materials used in refrigeration systems. The use of metal vessels allows for the testing of a variety of materials, regulation of the pressure of the test, use of a realistic sample size to oil/refrigerant ratio, and other analytical tests, such as extraction.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]