46 BIBLIOGEAPHT OF METALS OF THE PLATINUM GHOUP 



1827: 22. W. S. Harris. On the relative powers of various metallic 

 substances as conductors of electricity. (Conductivity of plati- 

 num.) Pt. 

 Phil. Trans. London, 107 (1827), 18; Proc. Eoy. Soc. London, 2 

 (1833), 298; Ann. der Phys. (Pogg.), 12 (1828), 280; Bull. math, 

 chim. (Ferussac), 8 (1827), 33. 



1828: 1. M. VON Engelhardt. Die Lagerstatte des Goldes und 

 Platins im Ural-Gebirge. Eiga, 1828. Pt, Pd, Ir, Os, Rh. 



Mag. fiir Pharm. 24 (1828), 193 (quite full); Arch. ges. Naturl. 

 21 (1831), 160. 



1828: 2. F. H. Bemerkungen iiber die Lagerstatte des Platins am 

 Ural. Pt. 



Ann. der Phys. (Pogg.), 13 (1828), 566. 



1828; 3. . Native platinum from Nijne Taguilski. Pt.. 



Monthly Mag. Feb. 1828; Phil. Mag. [2], 3 (1828), 232. 



1828: 4. C. M. Marx und andere. Platinamassen von betrachtlichen 

 Grosse und Reichthum an Platin imd Gold im Ural. Pt. 



J. fiir Chem. (Schweigger), 54 (1828), 466. 



1828: 5. . Largest known masses of native platina. Pt.. 



Edin. N. Phil. J. 4 (1828), 185; Phil. Mag. [2], 4 (1828), 308. 



1828: 6. A. Breithaupt. Die Krystallisation der Markase. (Iridos- 

 min, p. 171.) Ir, Os. 



J. fiir Chem. (Schweigger), 52 (1828), 165. 



1828: 7. A. Breithaupt. Notiz iiber Verkauf des russischen Platins.. 



Pt. 



J. fiir Chem. (Schweigger), 52 (1828), 109; Phil. Mag. [2], 4 (1828),. 



458. 



1828: 8. . Munzen aus Platina. (Note.) Pt.. 



Mag. fiir Pharm. 23 (1828), 229; Ann. of Phil. (Thomson) (1828), 

 Dec; Edinb. N. Phil. J. 6 (1829), 197. 



1828: 9. J. J. Berzelius. Forsok ofver de metaller som atfolja Plati- 

 nan samt ofver sattet att analysera Platinans nativa legeringar 

 eller Maimer. (Atomic weights, salts, oxalates, sulfates, etc.) 

 (Considered ruthenium as iridium.) (Rhodium salts, p. 32; palla- 

 dium salts, 46; iridium salts, 59; osmium salts, 81; separation of 

 platinum from ore, 103; platinum sulfid, 114.) Pt, Pd, Ir, Os, Rh. 

 Kong. Vet. Acad. Handl. (Stockholm), 1828, 25; Ann. chim. phys. 

 40 (1829), 51, 138, 257, 337; Ann. der Phys. (Pogg.), 13 (1828), 

 435, 527; J. techn. Chem. 3 (1828), 465; Phil. Mag. [2], 5 (1829), 

 395; 6, 146; Amer. J. of Sci. 18 (1830), 162; Polyt. J. (Dingier), 

 30 (1828), 315; Oken, Isis, 22 (1829), 279; Quart. J. of Sci. 2 



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