Method for evaluating a refrigerant composition comprising hydrofluoropropene with low global warming potential

摘要

The present invention provides a method for evaluating a refrigerant composition comprising hydrofluoropropene, a stabilizer, and optionally a lubricant, comprising
(a) heat-treating the refrigerant composition in the presence or absence of oxygen in an airtight container, and then
(b1) determining the acid content of the refrigerant composition, and/or
(b2) if the refrigerant composition comprises a lubricant, the total acid value of the lubricant contained in the heat-treated refrigerant composition.