Download book The Analyst Volume 23
Download book The Analyst Volume 23
The Analyst Volume 23 by Royal Society Of Chemistry
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Author: Royal Society Of Chemistry
Number of Pages: 172 pages
Published Date: 06 Mar 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
ISBN: 9781130681055
Download Link: The Analyst Volume 23
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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. 1898 Excerpt: ...At the outset, I would remind you that three distinct sets of operations are engaged in the protection of ground-water against organic pollution. First, there is the action of putrefying organisms; second, the action of nitrifying organisms; and third, the action of plants. Crude complex organic matter is first broken up into simpler organic matter; this is then mineralized into nitric, nitrous, and carbonic acids, and finally the nitrates are removed by plants. When these three operations are fully accomplished, water, however much polluted in the first instance, in the end is rendered pure and wholesome. In the main, the several operations are executed at successively deeper situations in the soil, and for convenience we may contemplate three distinct zones, each the seat of its appropriate function. The uppermost we may designate the "danger zone"--where the putrefying organisms are at work, converting the crude animal matter into leucine, tyrosine, toxalbumin, etc. The next we may style the " risky zone," where mineralization goes on, but where conversion is not complete, where the roots of plants take up the mineralized products, but also where the harmless and the poisonous products mingle. Beneath this we come to the "safe zone," where the water it contains is found to have been purified not only from all organic matter, but also more or less completely of all of its nitrogenous products. In Nature, of course, the situation of these zones is not fixed, but varies according to the exigencies of the climate, as I have attempted to portray in the diagram. It follows, therefore, if the foregoing propositions are correct, that the presence of an abundance of nitrates in subsoil-water in most cases is significant of risk, beca...
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The Analyst Volume 23 by Royal Society Of Chemistry
Author: Royal Society Of Chemistry
Number of Pages: 172 pages
Published Date: 06 Mar 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
ISBN: 9781130681055
Download Link: The Analyst Volume 23
---------------------------------------------------------------
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. 1898 Excerpt: ...At the outset, I would remind you that three distinct sets of operations are engaged in the protection of ground-water against organic pollution. First, there is the action of putrefying organisms; second, the action of nitrifying organisms; and third, the action of plants. Crude complex organic matter is first broken up into simpler organic matter; this is then mineralized into nitric, nitrous, and carbonic acids, and finally the nitrates are removed by plants. When these three operations are fully accomplished, water, however much polluted in the first instance, in the end is rendered pure and wholesome. In the main, the several operations are executed at successively deeper situations in the soil, and for convenience we may contemplate three distinct zones, each the seat of its appropriate function. The uppermost we may designate the "danger zone"--where the putrefying organisms are at work, converting the crude animal matter into leucine, tyrosine, toxalbumin, etc. The next we may style the " risky zone," where mineralization goes on, but where conversion is not complete, where the roots of plants take up the mineralized products, but also where the harmless and the poisonous products mingle. Beneath this we come to the "safe zone," where the water it contains is found to have been purified not only from all organic matter, but also more or less completely of all of its nitrogenous products. In Nature, of course, the situation of these zones is not fixed, but varies according to the exigencies of the climate, as I have attempted to portray in the diagram. It follows, therefore, if the foregoing propositions are correct, that the presence of an abundance of nitrates in subsoil-water in most cases is significant of risk, beca...
Read online The Analyst Volume 23 Buy The Analyst Volume 23 Download The Analyst Volume 23 ebook, pdf, djvu, epub, mobi, fb2, zip, rar, torrent Download to iPad/iPhone/iOS, B&N nook The Analyst Volume 23 ebook, pdf, djvu, epub, mobi, fb2, zip, rar, torrent
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