Encyclopedia of Practical Receipts and Processes

How to silver a mirror, brew ginger beer, kill moths, make fireworks, tan a hide, bronze iron, cure a ham and clean a straw hat: William B. Dick's numbered encyclopedia answered the questions a nineteenth-century household actually had.

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To Obtain Alkaloids

Some of these substances require special processes for extracting them from the substances in which they are found, but the following methods will apply for general purposes: opium. Morphine and atropine, however, are precipitated only from neutral and concentrated solutions, and the precipitate dissolves pretty easily in water. Glucosides, casein, and pseudo-morphine resist the action of the picric acid.

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