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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1881 edition. Excerpt: ... which will enable him in most cases to detect also the nature of the impurities. But in order to obtain satisfactory, results in this way, a certain familiarity with all the principal tests is a necessary condition; this once acquired, any further directions are quite superfluous. Those, however, who have not devoted much time to blowpipe operations, will sometimes experience some difficulty in drawing the correct conclusions from the observed phenomena--a difficulty which is to a great extent obviated by pursuing some methodical course as given in the following schemes. The first is applicable for all substances, but the second will be found shorter after a little experience in the case of metallic compounds. SYSTEMATIC METHOD OF EXAMINATION OF COMPOUND SUBSTANCES. By J. LANDAUER. Zeitschrift Fur Analytische Chemie, XVI. 385. PRELIMINARY EXAMINATION. A. The substance heated in a matrass or a tube closed at one end. a. Gaseous substances given off: 1. Colorless and odorless. Water: Water of crystallization; hydrate. Oxygen: Peroxides, nitrates, chlorates, bromates, and iodates. Carbon dioxide: Carbonates and oxalates. Carbon monoxide: 0xalates and formates. (The latter carbonize.) 2. Colorless with odor. Sulphur dioxide: Sulphites and some sulphates. Sulphuretted hydrogen: Thiosulphates and some hydrated sulphides. Ammonia: Some ammonium salts. S. With color and odor. Nitrogen tetroxide: Most of the nitrates and nitrites. Iodine (violet): Some iodides and iodates. Bromine (brown): Some bromides. Chlorine (greenish-yellow): Some chlorides. b. Sublimate formed: 1. White sublimate. Ammonium salts. Mercurous chloride, sublimes without first fusing. Mercuric chloride, first fuses. Antimony oxide, fuses and forms brilliant needles. Tellnrium...

American national trade bibliography.