Solubility of some sodium soaps in pinene

Hattiangdi, Gopal S. (1949) Solubility of some sodium soaps in pinene Proceedings of the Indian Academy of Sciences, Section A, 30 (6). pp. 320-326. ISSN 0370-0089

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1. Solubility curves have been determined over the temperature range 30° to 150°C for sodium palmitate, stearate and oleate in pinene. The solubility of the three soaps decreases in the order NaOl > NaStr > NaP. 2. The solubility curves show a kink or change in direction at about 100° to 110°C which is caused possibly by either the formation of colloidal micelles or a phase transition of the soap. 3. The regions of existence of solutions, sols, crystals, jellies, gels, etc., in the system sodium oleate-pinene have been indicated in a schematic partial phase diagram.

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