ON WAVE-LENGTH TABLES OF THE SPECTRA OF COMPOUNDS. 313 
Boron TRIOXIDE. 
RS Ree eee Spor wee 
Flame Spectrum Intensity 
and Character 
Thalén Lecoq de Boisbaudran Salet 
6397 6400 3b, 
6210 6210 4b, 
6031 6030 3b, 
5781 5 5807 5800 Tb, 
5480 5480 9n 
eats 9 5439 2b, 
5188 B 5192 5200 8b, 
4957 y 4941 4910 7b, 
e 4721 4700 Bb, 
4529 4540 3b, 
TT ee 
Caucium CHLORIDE. 
ee SD ee ee es 
Flame Spectrum Intensity Flame Spectrum Intensity 
; z and Character _ ——_-... | and Character 
Lecoq de Boisbaudran Lecoq de Boisbaudran 
6442 5b, B 5933 9b,* 
6348 2n € S58iF 6n 
6320 2n 5728 2n 
n 6265 9n +8 eee 6b,” 
Ls ; 6202 10s 5517 4b,* 
6181 10s [*4226 3s] 
f 6068 7s 
76044 6s 
* Due to the metal. + Probably due to the oxide. 
CaLciumM BRoMIDE. 
Mitscherlich Intensity and Character | 
6266 6s | 
6242 6s 
6102 4s | 
CaLcium FLUORIDE. 
Mitscherlich Intensity and Character 
6060 4s 
6026 4s 
5328 6n 
5301 6n 
