190 BIBLIOGRAPHY OF METALS OF THE PLATINUM GROUP 



1881: 15. J. Holland. Process of fusing and moulding iridium. (By 



fusion with phosphorus.) (U. S. Patent, 241316; D. K. pat., 



15979, May 10, 1881.) Ir. 



J. Amer. Chem. Soc. 3 (1881), 158; Dingl. pol. J. 244 (1882), 219; 



Oester. Ztsch. Berg und Hiitten Wesen, 29 (1881), 678; Chem. 



Centrbl. 1882, 334; Jsb. Chem. 1882, 1388; Chem. tech, Mitth. 



(Eisner), 31 (1881-82), 105. 



1881: 16. F. W. Clarke. An abstract of the results obtained in a 



recalculation of the atomic weights. (Platinum metals, Phil. 



Mag., p. 108; Am. C. J., p. 271.) Pt, Pd, Ir, Eh, Os, Ku. 



Phil. Mag-. [5], 12 (1881), 101; Amer. Chem. J. 3 (1881), 263; Jsb. 



Chem. 1881, 7. 



1881: 17. J. Dewar and A. Scott. On some vapor density determina- 

 tions. (Platinum bichlorid.) Pt. 

 Kept. Brit. Assoc. 1881, 597; Ann. der Phys. (Pogg.), Beibl. 7 

 (1883), 149; Jsb. Chem. 1883, 48. 



1881: 18. G. Campari. Eicerca dell' oro e platino in presenza delF 



arsenico, dello stagno e delF antimonio. (Quantitative separation 



of platinum from arsenic, tin and antimony.) Pt. 



Annali di chim. 74 (1882), 1; Ber. 15 (1882), 958; Chem. Ztg. 6 



(1882), 161. 



1881: 19. p. Field. Laboratory observations: On the detection of 

 small quantities of platinum; action of organic substances in re- 

 action with platinum iodide and potassium iodide in water an- 

 alysis. Pt (Pd, Eh). 

 Chem. News, 43 (1881), 75, 180; Ber. 14 (1881), 693, 1296; Chem. 

 Centrbl. 1881, 251; J. Chem. Soc. 40 (1881), 649; Ztsch. anal. 

 Chem. 21 (1882), 421; 22 (1883), 252; Jsb. Chem. 18S2, 1260; J. 

 Kuss. Chem. Soc. 13, ii (1881), 340. 



1881: 20. D. Lixdo. Estimation of potassium as platinum salt. Pt. 

 Chem. News, 44 (1881), 77, 86, 97, 129; Ztsch. anal. Chem. 21 (1882), 

 406, 



1881: 21. G. Ulex. Ueber Kalibestimmung als Kaliumplatinclilorid. 



Pt. 

 Eepert. anal. Chem. 1 (1881), 306; Ztsch. anal. Chem. 22 (1883), 

 560. 



]I881: 22. E. E. Tatlock. On the determination of potassium as 

 potassium platino-chloride. Pt. 



Chem. News, 43 (1881), 273, 



1881: 23. S. Zuckschwerdt and B. AVest. Ueber die Bestimmung 

 des Kaliums als Kaliumplatinchlorid. Pt. 



Ztsch. anal. Chem. 20 (1881), 185; Dingl. pol. J. 241 (1881), 140; 

 Chem. News, 43 (1881), 251. 



