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ANSI/ASHRAE 41.4-2015 (R2025)

Standard Method for Measuring the Proportion of Lubricant in Liquid Refrigerant

Prescribes a method for measuring the proportion of lubricant in liquid refrigerant. This standard uses the gravimetric method as the primary method, but alternative methods can be used if those methods are calibrated against the primary method. This standard does not apply to collected samples that contain less than 0.001 g (0.015 grains) of lubricant. Dual units of measurement.

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American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]

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