Difference between revisions of "Porpoise oil"
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* G.S.Brady, G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 867 | * G.S.Brady, G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 867 | ||
Revision as of 14:07, 1 May 2016
Description
A pale yellow liquid used as a lubricant for watches and precision instruments. Porpoise oil is obtained from the head and jaw of the beluga whale, Delphinapterus leucas, and the narwhal, Monodon monoceros. It is resistant to gumming, oxidation, and evaporation.
Synonyms and Related Terms
dolphin oil
Other Properties
Soluble in ether, chloroform, benzene and carbon disulfide.Saponification value = 290; Iodine value = 10-30.
| Density | 0.926-0.929 |
|---|
Sources Checked for Data in Record
- G.S.Brady, G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 867
- Richard S. Lewis, Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993