262 Mr. Gr. A. Hemsalech : Excitation of Spectra of Carbon^ 

 Luminous Vapour. 



Relative intensities. 



Element. 



A. 



Class. 



Aluminium.... 



.. *3944-03 

 *3961-54 





Calcium 



... *3933'67 

 *3968-48 

 *4226-72 



4289-36 



4298-98 

 *4302-53 



4318-64 

 *4425-45 

 *4435'32 d 

 *4454-78 





Manganese ... 



... *4030-80 

 403306 

 4034-48 





Potassium ... 



... *4044-15 

 *4047'21 





Strontium ... 



... *4607-34 





Lead 



... 3683-47 

 *4057'84 





Chromium ... 



... *4254-34 

 *4274"80 



4289-72 





Iron 



... 3647-84 



I. 





3679-92 



I. 





3687-54 d 



I. 





3705-56 



I. 





3707-91 



I. 





3709-24 



I. 





*371993 



I. 





3722-57 



I. 





3727-63 



I. 





373332 



I. 





3734-86 



II. 





*?737-13 



I. 





3743-37 



II. 





*3745-73 d 



I. 



, 



3748-25 



I. 





3749-47 



11. 



Luminous vapour 



(graphite plate). 



10 



Carbon tube- 

 furnace (2400°), 

 Qr 



12 



8r 



2 



00 



1 



— 



20 



15 



blended 

 " with Cr. 



— 



1 



— 



11 



1 



1 



00 



2 



1 



2 



i 



1 



2 



1 



i 



2 



1 



3 



4 



2 



3 



3 



6 



00 



— 



1 



1 



blended 

 with Ca. 



000 

 00 

 00 

 

 00 

 00 

 2 

 i 





 1 



o 



H 



00 

 000 



1 



00 

 



6v* 

 2 



3 



5r 



i 



Ir 



3 



2 



