Chemical News and Journal of Physical Science, Tom 83Chemical news office., 1901 |
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Strona 62
... appears nearly black . A remark- able feature is that the colour only persists at a strong heat ; directly the lamp is withdrawn the colour begins to fade , and if the salt has not been heated too strongly , long before solidification ...
... appears nearly black . A remark- able feature is that the colour only persists at a strong heat ; directly the lamp is withdrawn the colour begins to fade , and if the salt has not been heated too strongly , long before solidification ...
Strona 160
... appears as they get smaller , so that to the eye the smallest appear circular . Many are white , and more or less transparent , grey , greenish - grey , slate - coloured ; others are yellow , and brown , and translucent ; a few are ruby ...
... appears as they get smaller , so that to the eye the smallest appear circular . Many are white , and more or less transparent , grey , greenish - grey , slate - coloured ; others are yellow , and brown , and translucent ; a few are ruby ...
Strona 255
... appear as a sublimate of sulphate , fluoride , or chloride . Specula- tion on this matter would be altogether premature ... appears that the rocks were hydrochloric acid for two days , and finally hydrofluoric acid , the several extracts ...
... appear as a sublimate of sulphate , fluoride , or chloride . Specula- tion on this matter would be altogether premature ... appears that the rocks were hydrochloric acid for two days , and finally hydrofluoric acid , the several extracts ...
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