ON ABSORPTION SPECTRA OF ORGANIC COMPOUNDS. 341 



Absorption Spectra. — Report of Committee (Prof. I. M. Heilbron, 

 Chairman ; Prof. E. C. C. Baly, Secretary ; Prof. A. W. Stewart). 



List of Organic Compovvds, the Abscrpticn Spectra of which have been 

 measured in the Visible and Ultra-violet since the last list which was 

 published in the British Association Report for 1922. 



A 



Acacetin. Hattori. Acta Phytochim., 2, 99 (1925). 



„ reduction product of . Tasaki. Acta Phytochim., 3, 1 (1927). 



Acaciin. Hattori. Acta Phytochim., 2, 99 (1925). 

 ,, Tasaki. Acta Phytochim., 2, 129 (1925). 



Acetaldehyde. Liithy. Compt. rend., 176, 1547 (1923). 

 ,, Schou. Compt. rend., 182, 965 (1926). 



,, phenylhydrazone. Stevens and Ward. Trans., 125, 1324 (1924). 



„ phenylmethylhydrazone. Stevens and Ward. Trans., 125, 1324 (1924). 



Acetanilide. Graham and Macbeth. Trans., 121, 2601 (1922). 

 Acetic acid. Holmes and Patrick. J. phys. Chem., 26, 25 (1922). 

 „ „ ethyl ester. Ley and Hiinecke. Ber., 59, 510 (1926). 

 ,, ,, methyl ester. Ley and Hiinecke. Ber., 59, 510 (1926). 

 ,, „ sodium salt. Ley. Zeit. phys. Chem., 94, 405 (1920). 

 „ ,, „ „ Ley and Hiinecke. Ber., 59, 510 (1926). 



Acetoacetic acid, menthyl ester. Krethlow and Langbein. Ann. der Chemie, 423, 



324(1921). 

 Acetone. Castille and Ruppol. Bull. Acad. Roy. Med. Belg., 6, 263 (1926). 

 „ Holmes and Patrick. J. phys. Chem., 26, 25 (1922). 

 „ Porter and Iddings. J. Amer. Chem. Soc, 48, 40 (1926). 

 Purvis. Trans., 127, 9(1925). 

 Rice. J. Amer. Chem. Soc, 42, 727 (1920). 

 „ Scheibe, May and Fischer. Ber., 57, 1330 (1924). 



Scheibe. Ber., 58, 586 (1925), 60, 1406 (1927). 

 „ vapour. Porter and Iddings. J. Amer. Chem. Soc, 48, 40 (1926). 

 „ and chloroform, molecular compound of. Scheibe, May and Fischer. Ber, 

 57, 1330(1924). 

 Acetophenone. Scheibe. Ber., 59, 2617 (1926), 60, 1406 (1927). 



„ Tasaki. Acta Phytochim. 3, 259 (1927). 



4-Acetoxyacetophenone. Tasaki. Acta Phytochim., 3, 259 (1927). 

 o-Acetoxybenzoic acid. Purvis. Trans., 127, 2771 (1925). 



„ „ lithium salt. Purvis. Trans., 1926, 775. 



4-Acetoxychalkone. Shibata and Nagai. Acta Phytochim., 2, 25 (1924). 

 4'-Acetoxyethochalkone. Shibata and Nagai. Acta Phytochim., 2, 25 (1924). 

 Acetylacetone. Acly and French. J. Amer. Chem. Soc, 49, 847 (1927), 

 Grossmann. Zeit. phys. Chem., 109, 305 (1924). 

 „ copper salt. Acly and French. J. Amer. Chem. Soc, 49, 847 (1927). 



dianilhydrochloride. Scheibe. Ber., 56, 137 (1923). 

 ,, dioxime. Acly and French. J. Amer. Chem. Soc, 49, 847 (1927). 



,, monoxime anhydride. Acly and French. J. Amer. Chem. Soc, 49, 



847 (1927). 

 Acetylacetoneurea, dibenzal compound. Scheibe. Ber., 56. 137 (1923). 

 Acetylacetophenone. Tasaki. Acta Phytochim., 3, 259 (1927). 

 ^-Acetylaminoazobenzene. Uemura and Tabei. Bull. Chem. Soc, Japan, 3, 105 



(1928). 

 w-Acetylamino-o-hydroxyazobenzene. Uemura and Tabei. Bull. Chem. Soc, Japan, 



3, 105 (1928). 

 Acetylchloro-aminobenzene. Porter and Wilbur. J. Amer. Chem. Soc, 49, 2145 



(1927). 

 Acetylisatin. Marchlewski and Moroz. Bull. Soc. Chim., 37, 404 (1925). 

 N-Acetyl-1 : 8-naphthsultam. Konig and Kohler. Ber., 55, 2139 (1922). 

 Acetylprotocotoin. Tasaki. Acta Phytochim., 2, 199 (1926). 



