188 BIBLIOGEAPHT OF METALS OF THE PLATINUM GEOUP 



1880: 44. E. H. Hall. On a new action of magnetism on a permanent 

 electric current. (Platinum, Phil. Mag., p. 331.) Pt. 



Amer. J. Sci. [3], 20 (1880), 161; Phil. Mag. [5], 10 (1880), 301; 

 Jsb! Chem. 1880, 172, 173. 



1880: 45. H. Helmholtz. Ueber Bewegungsstrome am polarisirten 



Platina. Pt. 



Monatsber. Akad. Berlin, 1880, 285; Ann. der Phys. (Fogg.) [2], 



11 (1880), 737. 



1881: 1. W. E. Hidden. Notes on mineral localities in North Caro- 

 lina. (No platinum in five localities.) Pt. 

 Amer. J. Sci. [3], 22 (1881), 25; Jsb. Chem. 1881, 1347. 



1881: 2. p. Colliee. A remarkable nugget of platinum. (From 



Plattsburgh, N. Y.; with analysis.) Pt, Pd, Ir, Os, Rh, Eu. 



Amer. J. Sci. [3], 21 (1881), 123; Ztsch. Kryst. 5 (1881), 515; Jsb. 



Chem. 1881, 1347; J. Chem. Soc. 44 (1883), 426; Jahrb. f. Min. 



1883, 1, Kef. 27. 



1881: 3. . Gold and platinum in Eussia. Pt. 



Engineering-, 31 (1881), 163; Dingl. pol. J. 240 (1881), 152; J. Chem. 

 Soc. 40 (1881), 769. 



1881: 4. . Increased importance of iridium. Ir. 



Scient. Amer. 44 (1881), 369; Berg und Hiitten Ztg. 40 (1881)» 

 327; Chem. Centrbl. 1882, 47. 



1881: 5. T. Wilm. (Beitrage zur Chemie der Platinmetalle.) (Puri- 

 fication of palladium; precipitation of rhodium and palladium; 

 solution of platinum metals in hydrochloric acid; rhodium and 

 hydrogen.) Eh, Pd, Pt, Ir, Os, Eu. 



J. Euss. Chem. Soc. 13, i (1881), 360, 517, 560; Ber. 14 (1881), 629; 



15 (1882), 241 (abst.); Bui. soc. chim. [2], 36 (1881), 436; 37 



(1882), 344, 545; 38 (1882), 139, 167; Chem. Centrbl. 1881, 321; 



1882, 23, 153; Dingl. pol. J. 240 (1881), 325; 244 (1882), 87; J. 



Chem. Soc. 40 (1881), 514; Jsb. Chem. 1881, 306; 1882, 359, 1389; 



Chem. Ztg. 5 (1881), 252; Chem. tech. Mitth. (Eisner), 30 (1880- 



81), 219. 



1881: 6. T. Wilm. (Ueber ^das Verhalten von Palladium, Ehodium 



und Platin zu Leuchtgas.) Pd, Eh, Pt. 



J. Buss. Chem. Soc. 13, i (1881), 490; Ber. 14 (1881), 874; Amer. 



Chem. J. 3 (1881), 154; Bui. soc. chim. [2], 36 (1881), 438; Dingl. 



pol. J. 241 (1881), 150; J. Chem. Soc. 40 (1881), 706; Jsb. Chem. 



1881, 307; Chem. Ztg. 5 (1881), 323. 



1881: 7. W. GiBBS. On osmyl-ditetramin. Os. 



Amer. Chem. J. 3 (1881), 233; Ber. 14 (1881), 2820; J. Chem. Soc. 

 42 (1882), 144; Jsb. Chem. 1881, 308; J. Russ. Chem. Soc. 14, ii 

 (1882), 207. 



