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The Depths of the Sea; An Account of the General Results of the Dredging Cruises of H.M. SS. 'Porcupine' and 'Lightning' During the Summers of 1868, 1 (Paperback) Loot Price: R530 Discovery Miles 5 300
The Depths of the Sea; An Account of the General Results of the Dredging Cruises of H.M. SS. 'Porcupine' and...
The Depths of the Sea; An Account of the General Results of the Dredging Cruises of H.M. SS. 'Porcupine' and...

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The Depths of the Sea; An Account of the General Results of the Dredging Cruises of H.M. SS. 'Porcupine' and 'Lightning' During the Summers of 1868, 1 (Paperback)

Charles Wyville Thomson

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Loot Price R530 Discovery Miles 5 300

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1874. Excerpt: ... probably is a mass of hornblendic gneiss or schist, and certainly not of true volcanic origin. I may mention that it does not at all resemble any of the fragments found in the deep-sea dredgings which I have as yet examined. APPENDIX D. Note on the Carbonic Acid contained in Sea-Water. By Johk Young Buchanan, M.A, Chemist to the 'Challenger' Expedition. At a meetingi of the Chemical Society last summer, Dr. Hinily mentioned that Dr. Jacobsen, of Kiel, had found that carbonic acid is only very imperfectly separated from sea-water by boiling in vacua. This was confirmed by Dr. Jacobsen himself in a letter to Nature of August 8, 1872. Almost at the very same time the German North Sea Expedition arrived in Leith, when I had the privilege of hearing the confirmation of it from his own mouth, as well as his conjecture that it was probably owing to the presence of salts with water of halhydration, such as sulphate of magnesia, that the carbonic acid was retained with such vigour. Having assured myself by experiment that, as a matter of fact, carbonic acid is retained by sea-water with considerable energy, the last traces of it having scarcely disappeared before the contents of the retort were reduced to dryness, I set on foot a series of analytical experiments, so as to determine which of the salts it was, whose presence was the cause of the anomaly in question. The result of these experiments was shortly this: Distilled water, solution of chloride of sodium and solution of chloride of magnesium, each saturated with carbonic acid, behaved on distillation alike, giving off the whole of their carbonic acid in the first eighth of the distillate. Solutions, however, of sulphate of magnesia and of sulphate of lime behaved like i Chemical Society Journal, 1872, p. 455...

General

Imprint: General Books LLC
Country of origin: United States
Release date: February 2012
First published: February 2012
Authors: Charles Wyville Thomson
Dimensions: 246 x 189 x 8mm (L x W x T)
Format: Paperback - Trade
Pages: 142
ISBN-13: 978-1-151-19720-7
Barcode: 9781151197207
Categories: Books
LSN: 1-151-19720-3

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