154 



REPORT 1903. 



Bebbbridic Acid. 

 0„H,N(CHjO3)(C02H),. M.P. 285°. 



■ Agueotis Solution, 

 (Fig. 11.) 



Thickness of 



layer in 

 milhmetres 



Description of Spectrum 





6, 4, and 3 

 2 



5 



3 and 4 

 2 



5 tol 



1 milligram-molecule in 100 o.c. 

 j Spectrum continuous to 

 I It f» • • 



1 milligram-molecule in 500 c. 

 Spectrum continuous to 



Absorption hand . 



Weak spectrum from 2982 to 



1 milligram-molecule in 2,500 c.c. 

 Spectrum continuous t3 

 Absorption hand . 

 Weak spectrum from 2982 to 

 Spectrum continuous to 

 Absorption hand . 

 Weak spectrum from 2982 to 

 Spectrum continuous to 

 Absorption hand . 

 A few lines showing in the absorption 



band. 

 Spectrum continuous from 2884 to 



Weak beyond 



Spectrum continuous to , . . 

 Weak in position of absorption band, 



and beyond 



Spectrum practically all transmitted, 



but still weak. 



1 milligram-inolecule in 12,500 c.c. 

 Same as 1 mm. of last plate, but gradu 

 ally getting stronger. 



2157 

 2207 



2276 

 2303 

 2354 

 2354 to 2982 

 3148 



2508 

 2508 to 2982 



3323 



2508 

 2508 to 2982 



3323 



2508 

 2508 to 2884 



3872 

 3872 

 4414 



3872 



4636 

 4531 



4393 

 4342 

 4248 

 4248 to 3353 

 3176 



3987 

 3987 to 3353 



3009 



3987 

 3987 to 3353 



3009 



3987 

 3987 to 3467 



2582 

 2582 

 2265 



2582 



1 



