SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 85, NUMBER 5 



INFRA-RED ABSORPTION BANDS OF 



HYDROGEN CYANIDE IN GAS 



AND LIQUID 



BY 



F. S. BRACKETT 



Chief, Division of Radiation and Organisms, Smithsonian Institution 



AND 



URNER LIDDEL 



Fertilizer and Fixed Nitrogen Investigations 



P.ureau of Chemistry and Soils. I'.S. Dei-artment of Agriculture 





PER\ 



/ORB, 



(Publication 3123) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



AUGUST 5, 1931 



