API scale

API scale

[¦ā¦pē¦ī ‚skāl]
(chemical engineering)
The American Petroleum Institute hydrometer scale for the measurement of the specific gravity of liquids; used primarily in the American petroleum industry.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The API scale was a self-reported scale, and this may be one limitation of our study.
The crude would be the lightest of Aramco's new blends, with a density of 44 degrees on the API scale and 0.6 per cent sulphur, according to the person, who asked not to be identified because the plans are not public.
The API scale was designed so that most values would fall between 10 and 70 API gravity degrees.
The advantages of co-ordinated communication between API development and the resulting formulated product, should not be underestimated as the API scale up runs in parallel with that of the formulated product