(chemistry) acid value
(engineering) A number derived from a standard test indicating the acid or base composition of lubricating oils; it in no way indicates the corrosive attack of the used oil in service. Also known as corrosion number.
| Sci-Tech Dictionary: acid number |
(chemistry) acid value
(engineering) A number derived from a standard test indicating the acid or base composition of lubricating oils; it in no way indicates the corrosive attack of the used oil in service. Also known as corrosion number.
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| Food and Nutrition: acid number |
A measure of its rancidity due to hydrolysis, releasing free fatty acids; serves as an index of the efficiency of refining since the fatty acids are removed during refining and increase with deterioration during storage.
| Measures and Units: acid number |
biochemistry For measuring the amount of fatty acid in a fat or wax, the number of mg of potassium hydroxide required to neutralize 1 g of substance.
Metric-m.k.s. Pressure in Pa = N·m-2, speed in m·s-1, result in N·s·m-3 = kg·s-1·m-2 (m-2·kg·s-1).
Metric-c.g.s. Pressure in dyn·cm-2, speed in cm·s-1, result in dyn·s·cm-3 = g·s-1·cm-2 (cm-2·g·s-1).
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![]() | Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved. Read more | |
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