ON ABSORPTION SPECTRA AND CHEMICAL CONSTITUTION. 

 Appendix — cnnt. 



235 



SnbBtauce 



Fonnnla 



Naphthalene 



Naphthalene Red 

 (Magdala Red) 



Naph thalene 

 Red? 



Naphth al ene 

 amido-azo-a- 



Narceine 



Narcotine . 



oxy-Narcotine 



Nicotine 



m-Nitraniline 



p-Nitraniline 

 Nitro-benzene 



(vapour) 

 Nitro-benzene 



(solution) 

 o-Nitrophenol 



p-Nitrophenol 



Nitroso - diethyl 

 aniline 



Nitroso- dimethyl 

 aniline 



Nitroso-ethyl ani- 

 line 



Nitroso-iso-but y 1 

 aniline 



Nitroso - methyl 

 aniline 



Nitroso - prophyl- 

 aniline 



Ni t r o s o - d i - 

 phenylamine 



Nitroso - di - me- 

 thyl m-chlor- 

 aniUne 



Nitroso - di - me- 

 thyl - m - brom- 

 aniUne 



Nitroso - di - me- 

 thyl-m-iod- ani- 

 line 



Nitroso -ethyl -o- 

 n aphthylamine 



Nitroso - ethyl - o - 

 toluidine 



Nitroso-methyl-o- 

 toluidine 



N 



C50H21N3.HCl.HoO . 



C50H20N4 . 



See under Azo Componvds 



C23H.,7N08 . 



C20X125N07 . 



See under O. 



CioHhN., . 



C6H4(N02).NH2 



C6H4(NO,)NH„ 

 CfiHsNO./ . 



C6H4(OH)NOo . 



CeH4(OH).N02 . 



C6H4(N0)N(C,H5)2 . 



CeH4(NO)N(CH3)2 . 



C6H5N(NO)C2H5 . 

 C6H5N(NO)C4H9 



C6H5N(NO)CH5 . . 

 C6H5N(NO)C3H, 



(C6H5)2N.NO . . 



CeH3Cl(NO)N{CH3)j . 



C,H5Br(NO)N(CH3)2. 



CoH3l(NO)N(CH3)2 . 



C,oH7N(NO)C2H5 . 

 C6H4.CH5.N(NO)C2H5 

 C6H4.CH3N(NO)CH3 . 



Nature of 

 Absorption 



Four bands 

 Selective 



Continuous 

 Selective 

 Continuous 

 Selective 



I) 

 Continuous 



Selective 



Beference 



Hartley, Chem. Soc. 

 Trans. 39 (1881), 

 153 ; 47 (1885), 685. 



Vogel, Ber. 11 (1878), 

 622. 



Hartley, Phil. Trans. 

 II. (1885), 471. 



Hartley, Phil. Trans. 

 II. (1885), 471. 



Hartley and Hunting- 

 ton, Phil. Trans. I. 

 (1879), 257. 



J) 

 Pauer, Wied. Ann. der 

 Phtjs. 61 (1897), 363. 



Hartley and Hunting- 

 ton, Phil. Trans. I. 

 (1897), 257. 



Kock, Wied. Ann. 82 

 (1887), 167. 



