- 70 Correction

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INDUSTRIAL AND ENGINEERING CHEMISTRY

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Vol. 44, No. 10

(1) Altschul, Xi., Z . physik. Chem., 11, 590

(1893). (2) luerbach, C. E., Sage, B. H., and Lacey, W. S . ,IND. ENG.CHEV.,42, 110 (1950).

(1946). (5) Huffman, H. hI., Parks, G. S., and Rarmore, &I., J . Am. Chem. Soc., 53, 3876 (1931). HEdT CAPACITY OF CiS-2-BUTENE AT BUBBLE TABLE I. ISOBARIC (6) Kolosovskii, N., and Udovenko, 1‘.V., J . Gen. Chem. (G.S.S.R.), POINT 4 , 1027 (1934). ‘Pb, CP*’ (7) Kurbatov, V. Ya., Ibid., 17, 1999 (1947). B .t .u ./ Temp., B.t.u./ Temp., (8) Lacey, IT.N., and Sage, B. H., “Thermodynamics of One(Lb.) (” R.) F. (Lb.) (” R.) F. Component Systems,” Pasadena, Calif., California Institute -220 of Technology, 1947. -210 (9) Olds, R. I$., Sage, B. H., and Lacey, W.N., IND.ENG.CHEM., -200 38. 301 11946). - 190 -180 (10) Osborne, 9. S.;and Ginnings, D. C., J . Research Nail. Bur. - 170 Standards, 39, 453 (1947). -160 (11) Parks, G. S., Huffman, H. &I., and Thomas, S. B., J . Am. -150 - 140 Chem. Soc., 52, 1032 (1930). - 130 (12) Pitzer, K. S., IND. ENG.CHEM.,36, 829 (1944). - 120 (13) Prudhomme, SI.,J . Chem. Phys., 94, 2704 (1920). -110 - 100 (14) Reamer, H. H., Olds, R. H., Sage, B. H . , and Lacey, W. N., -90 IND. EXG.CHEM.,32, 743 (1940). - 80 (15) Rossini, F. D., “Selected Yalues of Properties of Hydrocar- 70 - 60 bons,” Washington, D. C., National Bureau of Standards, - 50 1947. - 40 (16) Sage, B. H . , Evans, H. D., and Lacey, W. N., IND. ENG.CHEM., - 30 -20 31, 763 (1939). - 10 0.4969 (17) Sage, B. H., Lavender, H. W., and Lacey, W.N., Ibid., 32, 743 a Values from SOo t o 200” I‘. are the authors’ experimental work. Values 11940). from -220° to 70’ F. were obtained b y applying a thermodynamic conver(18) Schlinger, \Ir. G., and Sage, B. H., Ibid., 41, 1779 (1949). sion t o the saturation values reported b y Scott a n d coworkers (20). (19) Schults, J. W.,Ibid., 22, 785 (1930). (20) Scott, R. B., Ferguson, W. J., and Brickwedde, F. G., J . ReHEATCAPACITIESOF ISOPROPYLBENZEXE search Natl. Bur. Standards, 33, 1 (1944). TABLE 11. ISOBARIC AND %-DECANE AT BUBBLEP O I N T (21) Shepherd, A. F., Henne, A. L., and Midgley, T . , Jr., J . Am. Cham. Soc., 53, 1948 (1931). Temp., IsopropylF. benzene n-Decane (22) Spencer, H. M., Ibid., 67, 1859 (1945). (23) Stewart, R. M., Jr., Haygood, J. LI.,Pings, C. J., Jr., Schlinger, 0.4161a W.G., and Sage, B. H., American Documentation Institute, 0.4215 0.4267 Washington, D. C., Document No. 3507 (1952). 0.4318 (24) Stull, D. R., IND.ENG.CHEM.,35, 1303 (1943). 0.4371 (25) Todd, S. S., and Parks, G. S., J . Am. Chem. Soc., 58, 134 (1936). 0,4425 0,4482 (26) Troyan, J. E., Ibid., 64, 3056 (1942). 0,4541 0.4600 0,4660 0.4720 0.4778 0.4837 5

Isobaric heat capacity a t bubble point, B.t.u. per (pound)(’ R.).

RECEIVED for review January 24, 1952. ACCEPTED April 28, 1952. For material supplementary t o this article order Document 3507 from American Documentation Institute, 1719 N Street, N.W., Washington 6, D. C., remitting $1.00 for microfilm (images 1 inch high on standard 35 mm. motion picture film) o r $1.00 f o r photocopies (6 X 8 inches) readable without optical aid.

Subscripts b = bubble point 1 . 2 = conditions with different quantities of samples in calorimeter ACKNOWLEDGMENT

R. &I. Stewart, Jr., J. M. Haygood, and C. J. Pings, Jr., were recipients of t h e California Research Corp. fellowships. Each one contributed materially to the experimental work reported.

Correction We are indebted to Charles H. Hughes for t h e following correction. Reference (2E) in the article “Oil Gas Rlanufacture” [IND. ENG.Cmiv., 44, 948 (1952)] should read: (2E) Brassert, H. h.,& Co., New York, N. Y . , coke plant containing four Knowles-type ovens, modified by Hughes By-product Coke Oven Corp., New York, N. Y .