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Updated: June 11, 2025
M. Schoenbein continues: 'We must admit that the electric discharges which take place incessantly in different parts of the atmosphere, and causing therein a formation of ozone, purify the air by this means of organic, or, more generally, oxidizable miasma; and that they have thus the important office of maintaining it in a state of purity suitable to animal life.
Further research will perhaps show us whether they or Schoenbein are in the right.
An electric discharge, too, is accompanied by a smell, which smell is due to the presence of what is called ozone; and not long ago M. Schoenbein, of Basel, the inventor of guncotton, discovered ozone as a principle in the oxygen of the atmosphere; and it is considered to be the active principle of that universal constituent.
And Boettger has stated that ozone is formed when ether is atomized; the fact being that the reaction he observed was due to the H2O2 always present in ether. Direct experiments with the Schoenbein ozonometer and the psychrometer gave parallel curves; whence the author regards the former as only a crude hygrometer.
In proceeding to the account of his experiments, M. Schoenbein shews, that gases can be produced by chemical means, which exercise an oxidizing influence of a powerful nature, especially in their physiological effects, even when diffused through the atmosphere in very minute quantities: also, that owing to the immense number of organic beings on the earth, their daily death and decomposition, an enormous amount of gases is produced similar to those which can be obtained by artificial means; and besides these, a quantity of gaseous or volatile products, 'whose chemical nature, as the author observes, 'is as yet unknown, but of which we can easily admit that some, at least, diffused through the air, even in very small quantities, and breathed with it, exert a most deplorable action on the animal organism.
The question then arises: What are the means employed for this object? M. Schoenbein believes that he has found it in the action of ozone, which is continually formed by the electricity of the atmosphere, and is known to be a most powerful agent of oxidation, causing serious modifications of organic bodies, and, consequently, of their physiological action.
'These considerations, says M. Schoenbein, 'shew us how little the miasma of the air are to be appreciated by weight, even when they exist therein in a quantity very sensible to the smell, and how small is the proportion of ozone necessary to destroy the miasm produced by the putrefaction of organic substances, and diffused through the atmosphere.
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