IDEAL TWO-DIMENSIONAL SOLUTIONS. I. DETERGENT

IDEAL TWO-DIMENSIONAL SOLUTIONS. I. DETERGENT-PENETRATED MONOLAYERS. Frederick M. Fowkes. J. Phys. Chem. , 1961, 65 (2), pp 355–359...
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2 70 280 290 300

14.11 14.35 14.57 14.77

13.464 13.981 14.489 14.986

2071.3 2213.6 2358.3 2505.0

5.792 6.075 6.357 6.636

273.15 298.15

14.19 14.73

13.63 14.89

2116 2478

5.88 6.59

in some portions of the table for internal consistency and to permit interpolation. Since t'hese data were measured, the heat capacity of CeF3 from 51 to 298°K. vas reported by King and Christensen.4 Their measurements deviate systematically by several tenths of a per cent. from t'he values of the present investigat'ioii above 150°K. Very nearly parallel deviations are noted also in ZnFe204 (for which see deviation and La20a6with data from the Bureau of Mines Laboratory a t B e r k e l e ~ . ~These differences bet8ween laboratories have iiot yet been resolved. In defense of the reliabilit,y of our data it is to be noted (4) E. G. King and -4. U. Christensen, Bureau of Mines Report of Investigations %lo, U. 9. Department of the Interior, Washington, D. C., 1959. ( 5 ) E. F. T e s t r u m , Jr., and L). 31. Grimes, Phys. arid Chem. Solids. 3 , 14 (1957). (6) B. H. Justice and E. F. Westruni. Jr., unpublished data. (7) For ZnFelOl-E. G. King, Trim JOCRSAL,6 0 , 410 (195ti); for Laos-K. I