METHOD OF SEPARATION OF CAMPHOR OIL Russian patent published in 1997 - IPC

Abstract RU 2088222 C1

FIELD: chemical technology. SUBSTANCE: camphor is isolated from camphor oil as camphor oxime by treatment with hydroxylamine hydrochloride at mass ratio camphor : ethanol = 1:2, at 5 C, not above, and by addition of potassium hydroxide solution. The remained sesquiterpene hydrocarbons were separated as mixture by solution boiling. EFFECT: improved method of separation. 4 tbl

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RU 2 088 222 C1

Authors

Kuchin A.V.

Karmanova L.P.

Rubtsova S.A.

Dorosheva R.I.

Dates

1997-08-27—Published

1994-10-06—Filed