. The principles of chemistry . rly in the Chileken and Holy Islands);it is met with in large masses, and is used for the jiroduction of paraffin and cercscnc,for the manufacture of candles, and similar purjwses. As the naphtha treasures of the Caucasus have hardly been exploited (near Baku andnear Kouban and Grosnyi), and as naphtha finds numerous uses, the subject presentsmost interesting features to chemists and geologists, and is worthy of the close attentioncf practical men. 379 CHAPTER IX COMPOUNDS OF CARBON ^VITII OXYGEN AND NITROGEN Carbonic anhydride (or carbonic acid or carbon dioxid
. The principles of chemistry . rly in the Chileken and Holy Islands);it is met with in large masses, and is used for the jiroduction of paraffin and cercscnc,for the manufacture of candles, and similar purjwses. As the naphtha treasures of the Caucasus have hardly been exploited (near Baku andnear Kouban and Grosnyi), and as naphtha finds numerous uses, the subject presentsmost interesting features to chemists and geologists, and is worthy of the close attentioncf practical men. 379 CHAPTER IX COMPOUNDS OF CARBON ^VITII OXYGEN AND NITROGEN Carbonic anhydride (or carbonic acid or carbon dioxide, CO.^) was thehrst of all gases distinguished from atmospheric air. Paracelsus andVan Helmont, in the sixteenth century, knew that on heating limestonea particular gas separated, which is also formed during the alcoholicfermentation of saccharine solutions (for instance, in the manufactureof wine); they knew that it was identical with the gas which is pro-duced by the combustion of charcoal, and that in some cases it is found.
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Keywords: ., bookcentury1800, bookdecade1890, bookpublis, booksubjectchemistry
