386 



SUBJECT INDEX 



Iridium and osmium. 

 1834: 17 Berthier 

 1857: 6 Wysoeky (gold in pres- 

 ence of osmiridium) 



By Electrolysis. 



1892: 40 Smith 

 Platinum. 



1880: 26 Luckow 



1884: 14 Classen 



1891: 28 Smith 



1891: 29 Smith and Muhr 



1892: 40 KiidorfE 



Palladium. 



1880: 27 Schucht 



1890: 40 Smith and Keller 



1890: 41 Smith and Frankel 



1891: 28 Smith 



1891: 29 Smith and Muhr 

 Khodium. 



1891: 30 Joly and Leidie 



1891: 32 Smith 



Ruthenium. 



1895: 20 Smith and Harris 



33. SEPARATIONS. 

 Platinum and palladium. 



1896: 26 Cohn and Fleissner 

 Iridium and platinum. 



1855: 4 Saint-Gilles 



1892: 37 Antony 



Platinum metals. 



1878: 24 de Clermont and From- 



mel (from As) 

 1880: 25 von Jiiptner (Cd) 

 1883: 27 de Boisbaudran (Ga) 

 1887: 25 Kriiss and Hoffman 



(Au) 

 1887: 26 Bettel (Au) 

 1887: 27 Pirngruber (Au) 

 1887: 28 Wyatt (Au) 



Platinum. 



1829: 16 



1875: 6 



1841: 13 



1845: 13 



1861: 16 



Lampadius (Ag) 

 (Ag) 



Kemp (Au) 

 Eisner (Sn, As) 

 Bechamp and Saint- 

 Pierre (Sn, Sb) 

 1879: 28 de Clermont (As, Sn, 



Sb) 

 1881: 18 Campari (As, Sn, Sb) 

 1886: 14 Fresenius (As, Sn, Sb) 



1886: 

 1886: 

 1888: 



1892: 



1876: 

 1882: 

 1887: 

 1843: 



15 Dirvell (As, Sn, Sb) 



16 Bailey (As, Sn, Sb) 



33 de KonJnck and Lecre- 



mier (As, Sn, Sb) 

 38 Antony and Nicolli 



(As.'Sn, Sb) 

 22 Becker (Te) 



22 de Boisbaudran (Ga) 



23 Warren (Tl) 



9 Berthier (by SO^) 



Palladium. 



1875: 6 - 



-(Ag) 



1887: 24 Rosenbladt (Hg) 

 1866: 15 Wohler (Cu) 

 1887: 24 Rosenbladt (Pb,Bi, Cu) 

 1882: 22 de Boisbaudran (Ga) 



Iridium. 



1829: 17 Lampadius 



34. ANALYTICAL USES. 



Platinum tetrachlorid for analy- 

 sis of alkalies. 



