A Method for the Identification of Pure Organic Compounds, by a Systematic Analytical Procedure Based on Physical Properties and Chemical Reactions, ... More Important Compounds of Carbon with Th - Tapa blanda

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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.

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