A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 79
ways. The method of Dumas consists in weigh-ing a glass globe filled with the vapor to be tried. Aportion of the substance is to be introduced into theglobe, A, Fig. 49, the weight of which is first determ-ined, and this is then held, as shown in the figure, bya handle, C, in a bath of fusible… … the substance, drives out theair, and occupies the wholecavity in a state of purity.When no more vapor escapesfrom the end of the tube, 5, itis sealed by the blowpipe, andthe temperature of the bathascertained by the thermome-ter, I. The globe is now to becarefully weighed, when cold,a second time,…
Chemistry · Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
