Excerpt from Addition Compound Formation in Aqueous Solutions; Hydrates at the Boiling-Point: Dissertation Submitted in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy in the Faculty of Pure Science of Columbia University In a number of communications recently appearing,7 addition compounds of organic acids with organic substances containing oxygen have been described and compared. In a later paper8 the results of this series of investigations were summed up and cer tain laws derived, which were then applied to aqueous solutions of a series of acids and their validity tested by means of freezing point curves. As the results. Of these investigations are of great importance and have a direct application to this work, it seems advisable to repeat them here. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.