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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Seller: Forgotten Books, London, United Kingdom
Paperback. Condition: New. Print on Demand. This book is a guide to identifying organic compounds that are composed solely of carbon, hydrogen, and oxygen. It builds upon a method of classification previously developed by the author to include nitrogen or nitrogen and oxygen. In this volume, the author presents 2300 compounds, selected for their relevance either through scientific or industrial use, or for their occurrence in nature. The compounds are arranged using an innovative classification system that organizes them by their qualitative elemental composition, behavior in chemical tests, melting point, and boiling point. The name of each species is followed by a brief characterization, specific chemical tests, and detailed instructions. The author's method represents a significant shift from past identification methods, which have relied heavily on ultimate organic analysis. This approach, instead, gives fuller recognition to the importance of more easily determined properties like qualitative elemental composition, color, melting point, and solubility. As a result, the analyst is led to the same results with less expenditure of time and effort, and without requiring unusual knowledge or skill. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9781332592074_0
Quantity: Over 20 available
Seller: PBShop.store UK, Fairford, GLOS, United Kingdom
PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781332592074
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