... CONTRIBUTION FROM THE CHEMICAL LABORATORIES OF ... mole of an- hydrous betaine for each mole of sodium bromide V (3) L. P. Hammett, "Physical Organic Chemistry," McGraw-Hill ... Soc., 797 (1946); (1) A. R. Olson and R. J. Miller, THIS JOURNAL, 60, 2687 (1938); (m) J ...