512
ANALYTICAL CHEMISTRY, VOL. 61, NO. 5, MARCH 1, 1989
ChemlCal Society, Toronto, Canada June 5-10, 1988. (16) Wang, J. Anel. Chem. 1981, 53, 2280. (17) Falat, L.; Chens, H. Y. Anal. Chem. 1982, 5 4 , 2108. (18) Wang, J. In .€6ctroi?nalytlcalChem/sby;Bard, A. J., Ed.; Marcel Dekkef: New York, 1988; Vol. 16, p 1. (19) Oyama, N.; Anson, F. C. J . Am. Chem. Soc. 1979, 101, 3450. (20) Rabhu, S. V.: Baldwin, R. P.; Kryger, L. Anal. Chem. 1987, 59, 1074. (21) Korfhage, K.; Ravlchandran, K.; Baldwin, R. P. Anal. Chem. 1984, 56, 1514.
(22) Stullk, K.; Pacakova, V. Electranaslytlcel Measurements in Flowing Liquids: Ellis Horwood: Chlchester, U.K.. 1987.
RECEIVED for review July 5, 1988. Accepted November 17, 1988. This work was supported by the National Institutes Health (Grant No* GM 30913-05) and Battelle Pacific Northwest Laboratory. Of
CORRECTION Overtake Phenomena in the Movement Process of Components under Temperature Programming Gas Chromatograp hy Lin Bingcheng, Lin Bingchang, and Bernhard Koppenhoefer (Anal. Chem. 1988, 60, 2135-2137). Several errors appear in Table 11. A corrected version appears below. Table 11. Retention Time and Thermodynamic Data of Some Derivatives of Amino Acid Enantiomers compd D-Ser L-Leu D-Pro L-Pro to(m.)
retention time, min 120 "C 130 "C 140 "C 7.88 8.55 8.15 8.30 1.46
5.60 5.93 6.08 6.17 1.49
4.30 4.47 4.82 4.88 1.53
AG,
kcal/mol
AS, cal/(grad mol)
kcal/mol (298 K)
elution order 12 OC/min
-13.94 -14.54 -11.84 -11.91
-21.87 -20.82 -16.53 -16.65
-7.42 -8.34 -6.91 -6.95
11 14 12 13