BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 57 



1886: 25. Setter WALL, A. Om bestammande i jern och stol m. m. 

 af dels mangan formedelst tiirering. 



Jem.-Kont. Ann., 1886, 427 ; * Z. O. S. Berg. u. H. V., 25, 410; 

 Techn.-chem. Jahrb., 9, 19. 



Determination by oxidation with lead peroxide in nitric acid solu- 

 tion, and titration with arsenious oxide. 



1886: 26. Sprenger. Verfahren zur Analyse von Eisen und Stahl. 



Berg- u. huttenm. Ztg., 45, 462, 



Separation from iron by the basic acetate method, from nickel and 

 cobalt by hydrogen sulphide, and precipitation by bromine. 



1886: 27. Wolff, N. Ueber Manganbestimmungen. 



Stahl u. Eisen, 6, 105; Wagner's Jsb., 32, 11. 



Precipitation by bromine. Also volumetric determination by titra- 

 tion in presence of the precipitated iron. See 1883: 22 and 



1886: 28. ZiMMERMANN, R. Zur N. Wolff'schen Mangantitrirung. 



Stahl u. Eisen, 6, 362; Wagner's Jsb., 32, 11. 

 See 1884: 18 and 1886: 27. 



1887: I. Babbitt, H. C. Manganese in Iron and Steel. 



Am. Chem. J., 9, 58; Chem. Centrbl., 1887, 1185; Jsb. Chem., 1887, 

 2515; J. Iron Steel Inst., 1887, b, 369; J. Chem. Soc. (Lond.), 

 52, 619; Wagner's Jsb., 34, 200. 



Oxidation to permanganic acid by means of red lead, and titration 

 with standard reducing agents. 



1887: 2. Bayley, T. On the Separation of Zinc from Nickel and 

 Manganese, and the Estimation of Nickel. 



J. Soc. Chem. Ind., 6, 499; Chem. Centrbl., 1887, 1183; Chem. 

 Ztg., II, 203, Rep.; Ber. 21, 39, Ref. ; J. Chem. Soc. (Lond.), 54, 

 388. 



Separation from zinc. Precipitation with sodium hydrogen phos- 

 phate and ammonia, addition of just enough hydrochloric acid 

 to effect re-solution and precipitation of the zinc with hydrogen 

 sulphide. 



1887: 3. Blair, A. A. The Methods Employed in the Analysis of 

 Iron Ores. 



Chem. News, 56, 197; Jsb. Chem., 1887, 2428. 

 Determination as phosphate. 



