Nature, Količina 32Sir Norman Lockyer Macmillan Journals Limited, 1885 |
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Zadetki 1–3 od 82
Stran 305
... matter produced . Hofmann examined this , and showed that it had the formula C21HN4 ( Ber . vi . 526 , 1872 ) . The examination of the product which was obtained by oxidis- ing the mauve dye , I found to have the composition , C2 , H18 ...
... matter produced . Hofmann examined this , and showed that it had the formula C21HN4 ( Ber . vi . 526 , 1872 ) . The examination of the product which was obtained by oxidis- ing the mauve dye , I found to have the composition , C2 , H18 ...
Stran 306
... matter was produced by heating benzaldehyde with benzyl trichloride and zinc chloride . This product has been found to be identical with that of Fischer's . This green colouring matter is now largely made from benzaldehyde , as this ...
... matter was produced by heating benzaldehyde with benzyl trichloride and zinc chloride . This product has been found to be identical with that of Fischer's . This green colouring matter is now largely made from benzaldehyde , as this ...
Stran 331
... matter obtained from anthraquinone or dechloranthracene was at first simply considered as alizarin more or less pure , yet on investigating the matter it was soon found that it contained other colouring matter . To this I drew attention ...
... matter obtained from anthraquinone or dechloranthracene was at first simply considered as alizarin more or less pure , yet on investigating the matter it was soon found that it contained other colouring matter . To this I drew attention ...
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Auroral Zone ElevenYear Meridional Oscillation of the Bath Natural History and Antiquarian Field Club | 12 |
Prof Auwers Calculations of Longitude of Places bination of the Ordnance and Admiralty Surveys E | 101 |
Earthquakes in 11 85 460 Industrial Education in Behrens Dr W J Guide for the Microscopical Investiga | 193 |
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