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ence on Mass Spectrometry and Allied Topics", New York, 1980;pp 662-663. (16) White, Robert L.; Ledford, E. B., Jr.; Wilkins, C. L.; Gross M. L. Proceedings of the 29th Annual Conference on Mass Spectrometry and Allied Topics", Minneapolis, MN, 1981; pp 5-6. (17) Ghaderi, Sahba; Kulkarni, P. S.; Ledford, Edward B., Jr.; Wilkins, Charles L.; Gross, Michael L. Anal. Chem. 1981, 5 3 , 428-437.
RECENEDfor review December 31,1981. Accepted March 15, 1982. R.C.B., R.B.C., and B.S.F. wish to thank the National Science Foundation for the funds to purchase the FTMS instrument.
CORRECTIONS
Laser-Induced Thermal Diffraction for Calorimetric Absorption Measurements
M. J. Pelletier, H. R. Thorsheim, and J. M. Harris (Anal. Chem. 1982, 54, 239-242). There is an unfortunate omission in eq 8. A superscript 2 should be placed after the brackets so that the equation reads G.908P(dn /dT) X,2a 32a2krX, sin2 (0/2) sin 8
l2
Determination of Dissolved Organic Carbon in Water Ronald A. van Steenderen and Jiunn-Shyh Lin (Anal. Chem. 1981,53, 2157-2158). Please change the numbering in Figures 1and 3 to match the captions and text. In Figures 1 and 3 (on the graphs themselves) number (2) becomes (3) and number (3) becomes (4).
