 | Justus Freiherr von Liebig, Lyon Playfair Baron Playfair - 1840 - 414 páginas
...vaults and caverns covered with these substances ; but we cannot detect the smallest trace of them. There could scarcely be found a more clear and convincing...humic acid of chemists in common vegetable mould. The common view, which has been adopted respecting the modus operandi of humic acid, has given occasion... | |
 | Justus Freiherr von Liebig, Lyon Playfair Baron Playfair - 1842 - 450 páginas
...vaults and caverns covered with these substances ; but we cannot detect the smallest trace of them. There could scarcely be found a more clear and convincing...humic acid of chemists in common vegetable mould. The common view, which has been adopted respecting the modus operandi of humic acid, does not afford... | |
 | Justus Freiherr von Liebig, Lyon Playfair Baron Playfair - 1843 - 260 páginas
...vaults and cav- ] ems covered with these substances; but we cannot detect the smallest trace of them. There could scarcely be found a more clear and convincing...humic acid of chemists in common vegetable mould. The common view, which has been adopted respecting the madia operandi of humic acid, does not afford... | |
 | American Association for the Advancement of Science - 1852 - 514 páginas
...of Cambridge. IN the eighth chapter of Liebig's Agricultural Chemistry, edited by Playfair, we have given the result of some examinations of stalactites...chemists in common vegetable mould." Under the term Jiumic acid, Prof. Liebig undoubtedly means to include all those organic acids arising from the decomposition... | |
 | Ohio. General Assembly - 1852 - 716 páginas
...given the result of some examinations of stalactites from caverns, in Germany, and from the vaults of castles upon the Rhine, made with the view of ascertaining...castles, he says, " we could not detect the smallest trace of humic acid." There could scarcely be found a more clear and convincing proof of the absence... | |
 | Ohio State Board of Agriculture - 1852 - 584 páginas
...given the result of some examinations of stalactites from caverns, in Germany, and from the vaults of castles upon the Rhine, made with the view of ascertaining...castles, he says, " we could not detect the smallest trace of humic acid." There could scarcely be found a more clear and convincing proof of the absence... | |
 | 1852 - 386 páginas
...bodies, either combined or uncombined. The result may be stated in the words of the author, Professor Liebig. The stalactites from the caverns " contain...common vegetable mould." Under the term humic acid, Professor Liebig undoubtedly means to include all those organic acids arising from the decomposition... | |
 | John and Charles Watt - 1852 - 606 páginas
...stated in the words of the author, Prof. Liebig. The stalactites from the caverns " contain no traces of vegetable matter, and no humic acid, and may be...more clear and convincing proof of the absence of humic acid of chemists in common vegetable mould." Under the term humic acid, Prof. Liebig undoubtedly... | |
 | 1852 - 422 páginas
...bodies, either combined or uncombinftd. The result may be stated in the words of the author, Professor Liebig. The stalactites from the caverns " contain...the stalactites from the vaults and cellars of old castles,0 he says, " we could not detect the smallest traces of humic acid." There could scarcely be... | |
 | 1852 - 604 páginas
...stated .in the words of the author, Prof. Liebig. The stalactites from the caverns " contain no traces of vegetable matter, and no humic acid, and may be...without becoming black." In the stalactites from the vaultsand cellars of old castles, he says, "we could not detect the smallest traces" of humic acid.... | |
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Playfair, we have given the result of some examinations of stalactites from caverns in Germany, and from the vaults of old castles upon the Rhine, made with the view of ascertaining the fact of the presence or absence of organic matter in these bodies,... 