FIELD: organic chemistry. SUBSTANCE: sulfated natural fish oil which is subjected to thermal cleaning and sulfated with concentrated sulfuric acid, the sulfated mixture and neutralized with alkali; the thermal cleaning being carried out in the presence of sewage resulting from sulfating the sewage containing 10-15% sodium sulfate in an amount of 10-40% based on the original fish oil. EFFECT: improved preparation process.
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SU1227624A1 |
