BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 21 



1866: 3. Frohde, a. Anwendung des unterschwefligsauren Nat- 

 rons zur qualitativen und quantitativen Analyse und zur Dar- 

 stellung von Praparaten. 



Arch. Pharm., 177, 75; Ztschr. anaL Chem., 5, 396. 

 Separation from cobalt and nickel by heating with sodium thiosul- 

 phate and removing the manganous sulphide by dilute acids. 



1866: 4. Reichardt, E. Ueber die Bestimmung und Scheidung von 

 Manganoxydul, Eisenoxyd und-oxydul. 



Ztschr. anal. Chem., 5, 60; Arch. Pharm., 179, 234; Vjschr. 

 Pharm. (Wittstein), 16, 394; Ztschr. Chem., 1866, 592; B\all. soc. 

 chim. (2), 7, 495; Jsb. Chem., 1866, 800. 

 Separation from ferrous and ferric iron by the acetate method, pre- 

 cipitation as peroxide by means of sodium hypochlorite, and igni- 

 tion to mangano-manganic oxide. 

 1866: 5. Terreil, a. Separation du cobalt et du nickel, et separa- 

 tion du manganese, du nickel et du cobalt. 



Bull. soc. chim. (2), 5, 88; Dingl. pol. J., 180, 305; Chem. Centrbl., 

 1866, 149; Jsb. Chem., 1866, 806; C. R., 62, 139; L'Inst., 1866, 

 28; Ztschr. Chem., 9, 211; Ztschr. anal. Chem., 5, 113; J. prakt. 

 Chem., 100, 52; Chem. News, 13, 133. 

 Separation from cobalt and nickel by means of potassium perman- 

 ganate or chlorine, in ammoniacal solution. 

 1867: I. Braun, C. D. Zur Bestimmung des wirksamen Sauerstoffs 

 in einigen Sauerstoffsauren und Metalloxyden, eine Methode 

 von vielfacher Anwendbarkeit. 



Ztschr. anal. Chem., 6, 66 and 73; Jsb. Chem., 1867, 845; Chem. 

 Centrbl., 1867, 396; Ztschr. Chem., 1867, 541; Chem.-techn. Rep., 

 6, b, 96. 

 Detection by fusion with sodium pyrophosphate, or by heating the 

 solution to be tested with phosphoric acid in the presence of lead 

 peroxide. Determination by passing the chlorine evolved from 

 the action of hydrochloric acid into a ferrous salt solution, and 

 titration for the unoxidized iron. 

 1867: 2. Forbes, D. Analysis of Blister Steel. 



Chem. News, 16, 105; Chem. Centrbl., 1869, 37. 

 Separation from iron by means of barium carbonate, precipitation 

 by means of ammonium sulphide, solution of the precipitate in 

 sulphuric acid, re-precipitation as carbonate, and ignition to man- 

 gano-manganic oxide. 

 1867 : 3. GiBBS, W. On the Estimation of Manganese as Pyrophos- 

 phate. 



Am. J. Sci. (2), 44, 216; Jsb. Chem., 1867, 845; Ztschr. Chem., 1867, 

 721; J. prakt. Chem., 103, 395; Ztschr. anal. Chem., 7, loi; Bull, 

 soc. chim. (2), 9, 201; Chem. News, 17, 195. 

 See title. 



