Publisher's Synopsis
Excerpt from A Method for the Identification of Pure Organic Compounds, Vol. 1: By a Systematic Analytical Procedure Based on Physical Properties and Chemical Reactions
The phrase More Important Compounds used in the title is unavoidably indefinite; but the intention has been to admit all substances to the tables for which there is more than a remote chance that they may come into the hands (if the analyst as unknown compounds. Such a list naturally includes: first, all com pounds that may be isolated in a state of purity and without excessive difficultv from materials used in the arts, or from substances which occur somewhat abun dautly in Nature; second, compounds of minor importance which may easily be formed in the laboratory as by-products in reactions between substances of more common occurrence; third, many rare compounds which have acquired a general scientific interest either on account of their properties or as representatives of peculiar types. Very few compounds that could be purchased in the market in a state of purity have, been omitted except through oversight. The most important intentional omissions are: substances whose claims to recognition as distinct chemical species are not generally accepted; uncrystallizable syrups that cannot be distilled without decomposition; the oily and fatty glycerides; those glucosides and synthetic sugars of which specimens could not be obtained for examination.
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