BIBLIOGRAPHY OF METALS OP THE PLATINUM GEOUP 89 



1847: 19. W. Hittorf. Ueber die Bildung einer blauen Oxydations- 



stufe des Platins .... auf galvanischeni Wege. Pt. 



Ann. der Phys. (Pog-g.), 72 (1847), 481; Ann. Chem. (Liebig), 64, 



(1847), 268; J. prakt. Chem. 42 (1847), 469; Pharm. Centrbl. 1848, 



23; Jsb. Chem. 1847-48, 453; Berzelius Jsb. 28 (1849), 84. 



18-47: 20. L. Kesslee. Kote sur remj)loi de I'acetate ferreux comme 

 moyen de separation de I'argent. (Precipitation of platinum by 

 iron sulfate with acetic acid.) Pt. 



J. de Pharm. [3], 11 (1847), 86; Palomba, Eaccolta, 3 (1847), 379; 

 Pharm. Centrbl. 1847, 413. 



1847: 21. E. Haee. On certain improvements in the construction and 

 supply of the hydro-oxygen blowpipe, by which rhodium, iridium, 

 or the osmiuret of iridium, also platinum in the large way, have 

 been fused. Pt, Ir, Rh, Os. 



J. Frank. Inst. [3], 13 (1847), 196; Amer. J. Sci. [2], 4 (1847), 37; 

 Phil. Mag. [3], 31 (1847), 147, 356; Polyt. J. (Dingier), 108 (1848), 

 270. 



1847: 22. R. Haee. Apparatus for the fusion of iridium or rhodium, 

 or masses of platinum less than five ounces in weight. Pt, Ir, Rh. 

 J. Frank. Inst. [3], 14 [1847], 128. 



1847: 23. H. H[ess]. Schmelzbarkeit des Iridiums, des Osmiridiums 

 und des Rhodiums. Pt, Ir, Os, Rh. 



Berg und Hiitten Ztg. 6 (1847), 107. 



1847: 24. P. Ludeesdorff. (Platinum on porcelain.) Pt. 



Verh. Gew. Bef. Preus. 1847, ii, 67; Poh^t. J. (Dingier), 105 (1847), 

 36; Jsb. Chem. 1847-48, 1067; Chem. tech. Mitth. (Eisner), 1 

 (1846-48), 18. 



1847: 25. Mention and Wagner. Platin als Legirung zu Schmuck- 

 sachen, etc. Pt. 



Brevets d'Invention, 1847, 425; Polyt. Centrbl. 1848, Mar. 1; Polyt, 

 J. (Dingier), 108 (1848), 396. 



1847:26. G.Wilson. On the decomposition of water by platinum and 

 the black oxide of manganese at a white heat, with some observa- 

 tions on the theory of Mr. Grove's experiments. Pt. 

 Proe. Chem. Soc. Lond. 3 (1847), 332; Trans. Scot. Soc. Arts, 3 

 (1851), 170; Edinb. N. Phil. J. 43 (1847), 244; Chem. Gaz. 5 (1847), 

 198; Phil. Mag. 31 (1847), 177. 



1847: 27. J. Lamont. Reduction der Schwingungen eines Magnets 

 auf den luftleeren Raum. (Polaritat des Palladiums und Plat- 

 inums.) Pt, Pd. 

 Ann. der Phys. (Pogg.), 71 (1847), 128. 



