BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 39 



1880: 16. Weldon. Volumetric Estimation of Manganese. 



Chem. News, 41, 207; Jsb. Chem., 1880, 1183. 



Precipitation by means of chloride of lime fovmd to be complete. 

 See 1880: 13. 



1880: 17. Wright, C. R. A., and Menke, A. E. Note on Mangan- 

 ese Dioxide. 



J. Chem. Soc. (Lond.), 37, 22; Chem. News, 40, 261; Jsb. Chem., 

 1880,316; Chem. Centrbl., 1880, 66; Chem. Ztg., 4, 86; Ber., 13, 

 427. 



Composition of manganese peroxide prepared in different ways. 



1880: 18. Wright, C. R. A., and Menke, A. E. Volumetric Deter- 

 mination of Manganese. 



J. Chem. Soc. (Lond.), 37, 42. 



Comment on Pattinson's method. See 1879: 9. 



1880: 19. Veley, V. H. On Some Higher Oxides of Manganese and 

 their Hydrates. 



Chem. News, 41, 291; 44, 241 and 301; J. Chem. Soc. (Lond.), 37> 



581. 

 A study of the various oxides of manganese. 



1880: 20. ZiMMERMANN, C. Zur Scheidung dcr Schwemietalle der 

 Schwefelammoniumgruppe. 



Ann. Chem. (Liebig), 199, 3 and 9; 200, 226; Chem. Centrbl. 1880, 



40. 

 Separation from zinc with the use of ammonittm sulphocyanate. 



1881: I. Beilstein, F., and Jawein, L. Bestimmung und Tren- 

 nung einiger Metalle. I. Directe Trennung des Mangans von 

 Eisen. 



* Ztschr. rusk. chim. obsc, 13, 9; Chem. Centrbl.. 1881, 251; J. 

 Chem. Soc. (Lond.), 42, 97; Wagner's Jsb., 27, 35S. 



Separation from iron by precipitation with iodine from cyanide solu- 

 tion, and also by potassium chlorate in nitric acid solution. 



1881: 2. Classen, A. Electrolytische Bestimmungen und Tren- 

 nungen. 



Ber., 14, 2772; Dingl. pol. J., 242, 440; Jsb. Chem., 1881, 1151; 

 Bull. soc. chim. (2), 37, 525; J. Chem. Soc. (Lond.), 42, 896; Wag- 

 ner's Jsb., 28, 448; Ztschr. anal. Chem., 22, 417; School Mines 

 Quart., 3, 302. 



Separation froin iron, alumina, and phosphoric acid by electrolysis 

 in the presence of oxalates. 



