THE WATER ABSORPTION PROPERTIES OF LANOLIN 437 (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (2o) (•.1) (22) (23) (24) (25) (26) (27) (28) (29) REFERENCES German Pat: 22 516. Verfahren zur Abscheidung und Reinigung von Wollfett in Form einer Lanolin genannten Verbindung desselben mir Wasser. British Pat. 4 992. Manufacture of fatty matter from wool fat. Monograph: "Lanolin". Deut. Arzneibuch VII. 628 (1968). German Trade Mark 75 382. Casparis, P. and Meyer, E. W. Salben und Salbengrundlagen I. Die Wasseraufnahme- fiihigkeit yon Salbengrundlagen. Jøharm. Acta Helv. 10 163 (1935). Truter, E. V. Wool Wax 91 (1956) (Cleaver-Hume Press Ltd., London). Aguiar, A. J. and Huyck, C. L. The water absorptive power of some ointment bases. y. Am. _Pharm. Assoc. 27 522 (1956). Velon, P. and Picot, J. Mesure de l'indice d'eau des lanolines et des vaselines choles terin•es. France Parfums, 3 50 (1960). Jencic, S. Emulsions of water in petroleum jelly. Soap terfum. Cosmet. 11 619 (1988). Private communication. Conrad, L. I. 3/[essung des Wasserindex bet Lanolinen und cholesterinhaltigen Vaselinen. Discussion following paper by Velon and Picot, 1st Congress for Cosmetic Chemistry of the International Federation of the Societies of Cosmetic Chemists, Munich (1960). Wasseraufnahmeverm6gen. Deut. Arzneibuch VIII 1011 (1968). Bestimmung der Wasserzahl. Osterr. Arzneibuch IX, 73 (1960). Lifschiitz, I. Beltrag zur Geschichte der modernen Salbentectmik (Lanolin-Eucerin). Pharm. Zentralh. 6• 305 (1923). Tiedt, J. and Truter, E. V. The behaviour of wc'A wax and its constituents in water-in- oil emulsions. J. Appl. Chem. 9, 633 (1952). Clark, E. W. Liquid lanolin: Development, production, properties and uses. Am. Perfum. Cosmet. 77 89 (1962). Cording, J., Jr. and Shalnes, A. Prepilot plant method for crystallizing fats and greases in drums. J. Am. Oil Chem. Soc. 9,8 344 (1951). Clark, E. W. Distilled lanolin alcohols. Drug Cosmet. Ind. 108 46 & 74 (1968). Eisner, A., Noble, W. R. and Scanlan, J. T. The fractionation of lanolin with urea. J. Am. Oil. Chem. Soc. 80 168 (1959). Anderson, C. A. and Wood, G. F. Fractionation of wool wax in the centrifugal recovery process. Nature, 198 742 (1962). Clark, E. W. and Kitchen, G. F. Autoxidation, and its inhibition, in anhydrous lanolin. J. Pharm. Pharmacol. ill 172 (1961). Anderson, C. A., Ganly, R. G. and Wood, G. F. The determination of nonylphenol ethylene oxide detergents in wool grease. J. Pharm. Jøharmacol. 18 809 (1966). Rosen, M. J. and Goldsmith, H. A. Systematic Analysis of Surface Active Agents (1960) (Interscience Publishers, New York). Patterson, S. J., Hunt, E. C. and Tucker, K. B. E. The determination of commonly used nonionic detergents in sewage effluents and river waters by a thin-layer chromato- graphic method. J. Inst. Sew. Purif., Part 2, 190 (1966). Burttschell, R. H. Determination of ethylene oxide based nonionic detergents in sewage. y. Am. Oil Chem. Soc. 411 366 (1966). Heatley, N. G. and Page, E. J. Some experiments on the estimation of nonionic deter- gents of the polyglycol type in sewage. Water Sanit. trngr. II 46 (1952). Schaffer, C. B. and Critchfield, F. N. Solid polyethylene glycols (Carbowax compounds) Quantitative determination in biological materials. Anal. Chem. 19 32 (1947). Recommended Methods for the Analysis of Trade trffiuents 96 (1958). (Heifer & Sons Ltd., Cambridge). Green, T., Harker, R. P. and Howitt, F. O. The use of adsorption columns in the analysis of oil-in-water emulsions. Analyst 80 470 (1955).