BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 37 



1879: 14. VoLHARD, J. Zur Scheidung und Bestimmung des Man- 

 gans. 



Ann. Chem. (Liebig), 198, 318; Jsb. Chem., 1879, 1048; Chem. 

 News, 40, 207; J. Chem. Soc. (Lond.), 38, 141; Ztschr. anal. 

 Chem., 20, 271 and 285; Ber., 12, 2175; Bull. soc. chim. (2), 34, 

 715; Berg- u. hiittenm. Ztg., 39, 150; J. Iron Steel Inst., 1880, 



355- 

 Volumetric determination by potassium permanganate; separation 

 from iron and aluminum by mercuric or zinc oxide ; precipitation 

 by halogens or lead peroxide in neutral solution; determination as 

 manganous sulphate and as mangano-manganic oxide. 



1880: I. BoTTGER, R. Hochst empfindliche Reaction auf Mangan. 



* Technische Blatter; * Tagebl. Natf. Ver. Baden-Baden, 1879, 193; 



Chem. Centrbl., 1880, 249; Jsb. Chem., 1880, 1181; Oester. 



Ztschr. Berg- u. Hiittenw., 28, 416. 

 See 1872: 2. 



1880: 2. Dellfs, H. The Behaviour of Sulphuretted Hydrogen 

 with the Salts of the Heavy Metals. 



Chem. News, 41, 279; Jsb. Chem., 1880, 1144. 



Precipitation by sulphuretted hydrogen in the presence of organic 

 acids. 



1880: 3. Drown, T. M., and Shimer, P. W. The Determination of 

 Silicon and Titanium in Pig Iron and Steel. 

 Trans. Am. Inst. Min. Eng., 8, 514. 



Separation from iron by heating the iron or steel in an atmosphere 

 of chlorine. 



1880: 4. DuNSTON, W. R. The Analysis of Steel. 



Pharm. J. Trans. (3), 10, 594; Jsb. Chem., 1880, 1180. 

 Separation from iron by the acetate method, precipitation by bro- 

 mine, and ignition to mangano-manganic oxide. 

 1880: 5. Haswell, a. E. Volhard's Titrirung des Mangans mit 

 ubermangansaures Kali. 



Dingl. pol. J., 235, 387; Jsb. Chem., 1880, 1181; Chem. Centrbl., 



1880, 249; Chem. Ztg., 4, 224; J. Iron Steel Inst., 1882, 743. 

 Confirmation of Volhard's procedure. (1879: 14.) 



1880: 6. Jewett, J. Influence of Acetic Acid on the Separation of 

 Iron as a Basic Acetate from Manganese, Zinc, Cobalt, and 

 Nickel. 



Chem. News, 40, 273; J. Chem. Soc. (Lond.), 38, 289. 

 See title. 



1880: 7. V. JuPTNER, H. Volhard's Methode der Trennung und 

 Bestimmung des Mangans. 



Oester. Ztschr. Berg- u. Hiittenw., 28, 168. 



Favorable comment upon the Volhard method. (1879: 14.) 



