ON ABSORPTION SPECTRA AND CHEMICAL CONSTITUTION. 227 

 Appendix — cont. 



Substance 



Aniline 



Aniline Blue 

 Anthracene 



Apomorphine Hy- 

 drochloride 



Atropine 



Anthraflavic Acid 

 (2 : 6)— Dioxy- 

 anthraquinone 



Anthraflavic Acid 



MO - Anthraflavic 

 Acid (2:7) — 

 D i o X y anthra- 

 quinone 



Anthragallol 



Aurin . 



Anthrarufin 



Azo Compounds : 

 Amido - azo - ben- 

 zene 

 Amido - azo - o - 

 naphthalene 



Azo-benzene 



Azo-benzene di- 

 amido toluene 



o-Azo-toluene- di- 

 amido-benzene 



o- Azo-toluene- di- 

 amido-toluene 



p-Azo-toluene-di- 

 amido-benzene 



p-Azo-toluene-di- 

 amido-toluene 



Benzene - azo - ^ - 

 naphthol sul- 

 phonicacid (So- 

 dium Salt) 



Di - amido - azo - 

 benzene (Chrys- 

 oidin) 



Di - amido - azo - 

 benzene sul- 

 phonic acid 



Formula 



C6H5NH2 . . . 



C,oH,6(C6H5)3N3.HCl 



Ci7Hi7N02.HCl . 



CnHosNOj. . .. 

 0H.C6H5(C0)3.C6H3.0H 



C6H50H(CO)2C6H5(OH) 



OH.C6H3(CO)2.C6H3.0H 



^«^*<Co)C-^^^OH^' [1:2:3] 

 CigHuOs 



C6H4(C0)2C6H2(0H)o [1.5] 



^4$ 



;H.NH„ 



CioH7N:N.CioH6NH2. 



C6H5N:NCsH5 



N, 



(CsHj 

 n,C6H2.CH3(NH,, 



N. 



fCe: 

 ic^: 



H4.CH3 



H3(NH2)o 



^VC6H2.CH3(NHj)2 • 



P 

 No I C6H4.CH3 

 ^nC6H3(NH2)2 • ■ 



p 



No J CJ6H4.CH3 



''MC6H2.CH3(NH2)o 



C6H5N:N.CioH4(HS03)20H 

 /3 



N2fS«S5(^^2)2 



IC6H3 



N, 



fC6H3(NH2)2 



-IC6H4SO3H 



Nature of 

 Absorption 



Selective 



Fourbands 



Selective 

 Continuous i 



Selective 



Reference 



One band 



Selective 



Hartley and Hunting- 

 ton, Phil. Trans, I. 

 (1879), 257; Pauer, 

 Wied.Ann.der Phys. 

 61 (1897), 363. 



Melde, Pogg. Ann. 126 

 (1865), 264. 



Hartley, Chein. Sac. 

 Trans. 39 (1881), 

 153. 



Hartley, Phil. Trans. 

 II. (1885), 471. 



Libermann and Kos- 

 tanecki, Ber. 19 

 (1886), 2327; Lieber- 

 mann, Ber. 21 (1887), 

 2527. 



Hartley, Chem. Sac. 



Trails. 51 (1887), 



153. 

 Libermann and Kos- 



tanecki, Ber. 19 



(1886), 2327. 



Landauer, Ber. 14 



(1881), 391. 

 Hartley, Chem. Soc. 



Trans. 51 (1887), 



153 ; Landauer, Ber. 



14 (1881), 391. 

 Hartley, Chem. Soc. 



Trans. 51(1887),15S. 

 Landauer, Ber. 14 



(1881), 391. 



Hartley, Chem. Soc. 

 Trans. 51 (1887), 

 153. 



Hartley, Chem. Soc. 



Trans. 51 (1887), 



153 ; Landauer, Ber. 



14 (1881), 391. 

 Landauer, Ber. 14 



(1881), 391. 



Q 2 



