Excerpt from Color Reactions of Various Alcohols: Thesis
Very little work has been done towards the identification of alcohols by color reactions. It is a field, however, that offers great possibilities as a quick means of detecting the more common alcohols. Some work was done in Japan; in connection with the detection of alcohols in liquors, and the general procedure has been adopted for one of the color charts. Germany has contributed somewhat to the subject but the work done did not amount to much. The Pharmazeutische Zentralhalleg contained an article by two Germans from which the author developed the foundation of the color charts printed in this paper. Solutions of various aldehydes were used in making the tests. The author used the same solutions of aldehydes as used by these men but varied the procedure. Instead of adding the unknown alcohol to ethanol before testing, the alcohol was used undiluted. The only exception to this was in the chart where the alcohols were added to ethanol.
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