Excerpt from An Ephemeris of Materia Medica, Pharmacy, Vol. 1: Therapeutics and Collateral Information, 1882 and 1883 The least objectionable method of having an arbitrary standard would be to place it so high that the ordinary grades of Opium would not reach it. Then the pulping of a portion of the Opium and straining out a proper proportion of the insoluble inert residue would be necessary. The chief objection to this would be the heat ing necessary to evaporate the solution and washings, as such heat ing always injures the alkaloid. 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.