INDUSTRIAL AND ENGINEERING CHEMISTRY
380 Table
VIII. Accuracy of Calculation for Three Wax Fractions Refined b y Ferris e t a/. (6) Weight Per Cent Ring Calculated' from Empirical Formula' Determined by hlair and Schicktanz (16). Assumin Mixtures of Paraffins with Naphthenes Types: of One or m- -a-wOne o,' more
AA
Fraction 6A
Calcd. by Equation 1 -4b
One or more cyclohexane n n 8 per mofecule -2b
%allowing
groups per molecule -2) 11 13
One or more cyclopentane molecule -2) 11 13
per molecule
Vol. 18, No, 6
(9) Kurtz, S.S..Jr., and Lipkin, M .R., J . Am. Chcm. .Soc., 63,2158 (1941). (10) Kurtz, S.S.,Jr., and Lipkin, M. R., IND.ENG. CHEM..33,779 (1941). (11) Kurtz, S.S.,Jr., and Ward, A. L.. J . Franklin Inst., 224, 583,697 (1937). (12) Lipkin, M. R . , and Kurtz, S.S.,Jr., paper pre-
sented before Petroleum Division, AMERICAN CHEMICAL SOCIETY, Detroit, 1940. (13) Lipkin, M. R.,and Kurtz, S. S.,Jr., IND.ENG. CHEM.,Ax.4~.ED., 13,291 (1941). (14) Lipkin. M. R.,and Martin, C. C., Ibid., 18,380
(1946). (15) Mair, B. J., and Schicktanz, g. T., IND.ENG. 61 9 14 CHEM.,28, 1056 (1936). 6J 12 15 10 (16) Ahfair, B.J., Willingham, C. B., and Streiff, A, J., J . 0 Mair and Schicktanz analvzed samnles Drenared bv Ferris. Cowles. a n d Hrndrrann - . - .- -.- -. Research Natl. Bur. Standards, 21, 565 (1938). after these had been in storage-for some'tim
