 ... in brilliancy. It is not, however, very lasting. Owing to its great volatility, a portion introduced at once into the flame merely shows the line as a brilliant flash, remaining only a fraction of a second; but if it be introduced into the flame gradually,...  The Mining and Smelting Magazine - Seite 351863Vollansicht - Über dieses Buch
 | 1861 - 410 Seiten
...selenium, a portion introduced at once into a flame merely shows the line as a brilliant flash, remainins only a fraction of a second ; but if it be introduced into the flame gradually, the line continues present for a much longer time. The properties of the substance both in solution and... | |
 | Royal Society (Great Britain) - 1863 - 838 Seiten
...of the spectroscope, it immediately produces a single green line, perfectly sharp and well defined upon a black ground, and of extraordinary purity and...if it be introduced into the flame gradually, the line continues present for a much longer time. If, also, a piece of metallic thallium be introduced... | |
 | 1861 - 612 Seiten
...owing to its volatility, which is almost as great as selenium, a portion introduced at once into a flame merely shows the line as a brilliant flash,...if it be introduced into the flame gradually, the line continues present for a much longer time. The properties of the substance, both in solution and... | |
 | 1861 - 1188 Seiten
...owing to its volatility, which is almost as great as selenium, a portion introduced at once into a flame merely shows the line as a brilliant flash,...if it be introduced into the flame gradually, the line continues present for a much longer time. The properties of the substance, both in solution and... | |
 | 1862 - 962 Seiten
...of the spectroscope, it immediately produces a single green line, perfectly sharp and well defined upon a black ground, and of extraordinary purity and...if it be introduced into the flame gradually, the line continues present for a much longer time. If, also, a piece of metallic thallium be introduced... | |
 | 1861 - 606 Seiten
...owing to its volatility, which is almost as great as selenium, a portion introduced at once into a flame merely shows the line as a brilliant flash,...fraction of a second ; but if it be introduced into a name gradually, the line continues present for a much longer time. The elements amongst which alone... | |
| |
