Chemical News and Journal of Physical Science, Tom 105Chemical news office., 1912 |
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Strona 7
... dilute alkali as in previous work and treatment with boiling 95 per cent alcohol . In several cases the same compounds were obtained by both methods . It is quite evident that the compounds isolated from soils and described in this ...
... dilute alkali as in previous work and treatment with boiling 95 per cent alcohol . In several cases the same compounds were obtained by both methods . It is quite evident that the compounds isolated from soils and described in this ...
Strona 8
... dilute alcoholic solutions . It forms salts , which , however , readily dissociate with water . It , further , has the remarkable property of being trans- formed into a colloid on the addition of water to its solutions in absolute ...
... dilute alcoholic solutions . It forms salts , which , however , readily dissociate with water . It , further , has the remarkable property of being trans- formed into a colloid on the addition of water to its solutions in absolute ...
Strona 9
... dilute ethyl alcohol in very small needles melting at 125'5 ° . Methyl - n - pentadecylcarbinol boils at 230 ° / 16 mm . , forms indefinitely shaped crystals , and melts at 46 ° . The mass of needles , which melt at 50-51 ° . The ...
... dilute ethyl alcohol in very small needles melting at 125'5 ° . Methyl - n - pentadecylcarbinol boils at 230 ° / 16 mm . , forms indefinitely shaped crystals , and melts at 46 ° . The mass of needles , which melt at 50-51 ° . The ...
Strona 10
... dilute alcoholic solution , and a more soluble yellow form obtained by dilution of the mother - liquors . On attempting to re - crystallise this yellow modification from chloroform , the authors found that it passes into a third ...
... dilute alcoholic solution , and a more soluble yellow form obtained by dilution of the mother - liquors . On attempting to re - crystallise this yellow modification from chloroform , the authors found that it passes into a third ...
Strona 15
... dilute to 100 cc . In 20 cc . of the solution dissolve I grm . of potassium iodide , add 10 cc . of a 15 per cent solution of potassium hydrate and 3 cc . of a 40 per cent solution of formaldehyde with IO CC . of water . After one ...
... dilute to 100 cc . In 20 cc . of the solution dissolve I grm . of potassium iodide , add 10 cc . of a 15 per cent solution of potassium hydrate and 3 cc . of a 40 per cent solution of formaldehyde with IO CC . of water . After one ...
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