Chemical News and Journal of Industrial Science, Tom 39Chemical news office., 1879 |
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Strona 8
... crystals being calcined at a dull - red heat , yield a fine red oxide of iron suitable for painting , and sulphuric acid , which may be condensed . If the ores contain copper in small proportion only , the roasting , reduction , and ...
... crystals being calcined at a dull - red heat , yield a fine red oxide of iron suitable for painting , and sulphuric acid , which may be condensed . If the ores contain copper in small proportion only , the roasting , reduction , and ...
Strona 10
... Crystals of Iron , " by Amos Beardsley , F.G.S. Additional Note on Pen- withite , " by J. H. Collins , F.G.S. Anthropological , 8 . WEDNESDAY , 8th . - Geological , 8 . Microscopical , 8 . University of London . - The following are ...
... Crystals of Iron , " by Amos Beardsley , F.G.S. Additional Note on Pen- withite , " by J. H. Collins , F.G.S. Anthropological , 8 . WEDNESDAY , 8th . - Geological , 8 . Microscopical , 8 . University of London . - The following are ...
Strona 16
... crystals were quite inactive in a 2 to 1 solu . tion . At the same time I put 13 small drops round the edge ; of these two crystallised at once as the 7 - atom salt , and they and the central mass were soon quite dry ; the rest remained ...
... crystals were quite inactive in a 2 to 1 solu . tion . At the same time I put 13 small drops round the edge ; of these two crystallised at once as the 7 - atom salt , and they and the central mass were soon quite dry ; the rest remained ...
Strona 17
... crystals grow sometimes very rapidly , sometimes very slowly . In the latter case scratch- ing with a sharp point brings the crystals into contact with the solution , which solidifies at once . This may account for a good many of Prof ...
... crystals grow sometimes very rapidly , sometimes very slowly . In the latter case scratch- ing with a sharp point brings the crystals into contact with the solution , which solidifies at once . This may account for a good many of Prof ...
Strona 21
... Crystals of this mineral have been obtained from bricks very rich in lime and magnesia , after being exposed for some time to an intense heat ir . a furnace . Influence of Atmospheric Electricity upon the Fructification of Plants . - L ...
... Crystals of this mineral have been obtained from bricks very rich in lime and magnesia , after being exposed for some time to an intense heat ir . a furnace . Influence of Atmospheric Electricity upon the Fructification of Plants . - L ...
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