: A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations by Anonymous - Blowpipe

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Preface, 7 The Use of the Blowpipe, 9 Utensils--The Blowpipe, 12 The Oil Lamp, 22 The Spirit Lamp, 23 Charcoal Support, 24 Platinum Supports, 26 Iron Spoons, 28 Glass Tubes, 28 Other Apparatus necessary, 31 THE REAGENTS, 34 Reagents of General Use, 34 Carbonate of Soda, 34 Hydrate of Baryta, 35 Bi-sulphate of Potassa, 35 Oxalate of Potassa, 36 Cyanide of Potassium, 36 Nitrate of Potassa, 37 Borax, 38 Microcosmic Salt, 39 Nitrate of Cobalt, 40 Tin, 41 Silica, 42 Test Papers, 42 ESPECIAL REAGENTS, 43 Boracic Acid, 43 Fluorspar, 43 Oxalate of Nickel, 43 Oxide of Copper, 43 Antimoniate of Potassa, 44 Silver Foil, 44 Nitroprusside of Sodium, 44

Non-Metallic Substances, 168

Tabular Statement of the Reactions of Minerals before the Blowpipe, 178 Carbon and Organic Minerals, 181 Potassa, 184 Soda, 186 Baryta and Strontia, 190 Lime, 192 Magnesia, 196 Alumina, 200 Silicates, 204 Uranium, 212 Iron, 214 Manganese, 222 Nickel and Cobalt, 226 Zinc, 232 Bismuth, 234 Lead, 238 Copper, 248 Antimony, 256 Arsenic, 260 Mercury, 262 Silver, 264

PREFACE

It is believed the arrangement of the present work is superior to that of many of its predecessors, as a vehicle for the facilitation of the student's progress. While it does not pretend to any other rank than as an introduction to the larger works, it is hoped that the arrangement of its matter is such that the beginner may more readily comprehend the entire subject of Blowpipe Analysis than if he were to begin his studies by the perusal of the more copious works of Berzelius and Plattner.

When the student shall have gone through these pages, and repeated the various reactions described, then he will be fully prepared to enter upon the study of the larger works. To progress through them will then be but a comparatively easy task.

The arrangement of this little work has been such as the author and his friends have considered the best that could be devised for the purpose of facilitating the progress of the student. Whether we have succeeded is left for the public to decide. The author is indebted to several of his friends for valuable contributions and suggestions.

THE BLOWPIPE.

Part First.

THE USE OF THE BLOWPIPE.

Perhaps during the last fifty years, no department of chemistry has been so enriched as that relating to analysis by means of the Blowpipe.

Many substances have to go through Blowpipe manipulations before they can be submitted to an analysis in the wet way. The apparatus and reagents employed are compendious and small in number, so that they can be carried easily while on scientific excursions, a considerable advantage for mineralogists and metallurgists.

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