Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
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Strona 14
... elements , notwithstanding that they appear strongly in the ordinary arc spectrum— ( a ) These lines are very feeble or missing from the arc- flame spectrum , and are strengthened in passing to the arc , the arc in hydrogen , or the ...
... elements , notwithstanding that they appear strongly in the ordinary arc spectrum— ( a ) These lines are very feeble or missing from the arc- flame spectrum , and are strengthened in passing to the arc , the arc in hydrogen , or the ...
Strona 30
... elements occurring on the earth , so that but little is known of it , in spite of its obviously very interesting chemical properties . In fact , since the experi- scandium oxide which was not quite pure but still con- ments of Nilson ...
... elements occurring on the earth , so that but little is known of it , in spite of its obviously very interesting chemical properties . In fact , since the experi- scandium oxide which was not quite pure but still con- ments of Nilson ...
Strona 31
... element . This was the case when I examined a piece of gadolinite from Ytterby , most kindly sent to me by Dr ... elements ( e.g. , Sc , Zr , Th , Ta ) would be obtained in the resulting spectrum if they were not present in very ...
... element . This was the case when I examined a piece of gadolinite from Ytterby , most kindly sent to me by Dr ... elements ( e.g. , Sc , Zr , Th , Ta ) would be obtained in the resulting spectrum if they were not present in very ...
Strona 32
... element , but , on the contrary , is widely and abun- dantly distributed , like only a very small number of other known elements . I am of the opinion that it would also be found in the rocks in which I did not find it , if larger ...
... element , but , on the contrary , is widely and abun- dantly distributed , like only a very small number of other known elements . I am of the opinion that it would also be found in the rocks in which I did not find it , if larger ...
Strona 34
... ELEMENTS . To the Editor of the Chemical News . SIR , -In the CHEMICAL NEWS of September 4 , 1908 ( vol . xcviii . , p . 120 ) I find a letter by Mr. D. J. Rankin on the " Potential Energy of the Elements . " The following table is ...
... ELEMENTS . To the Editor of the Chemical News . SIR , -In the CHEMICAL NEWS of September 4 , 1908 ( vol . xcviii . , p . 120 ) I find a letter by Mr. D. J. Rankin on the " Potential Energy of the Elements . " The following table is ...
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