Excerpt from A Method for the Identification of Pure Organic Compounds, by a Systematic Analytical Procedure Based on Physical Properties and Chemical Reactions, Vol. 2: Containing Classified Descriptions of About 4000 of the More Important Compounds of Carbon With the Elements Nitrogen, Hydrogen, and Oxygen Place in a 300-cc. flask 15 grams of dry sodium bisulphite and 8 grams of sine dust. Add 75 cc. Of distilled water. Shake to dissolve the bisulphite and wet the zinc. Then add from a burette cc. Of commercial formalin (40 per cent formic aldehyde solution). After mixing thoroughly, heat quickly to boiling on a wire gauze over a Bunsen flame, and boil moderately for just 5 minutes. Dilute at once with 45 cc. Of cold distilled water, and then cool and filter. Or, double all the quantities mentioned may be taken, and the mixture boiled for the same period of 5 minutes. 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.