BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 47 



1883: 19. Stone, G. C. The Determination of Manganese in 

 Spiegel. 



Trans. Am. Inst. Min. Eng., 11, 323; Eng. Min. J., 35, 318; Iron, 22, 



378; J. Iron Steel Inst., 1883, a, 366; Dingl. poL J., 250, 416; 



Techn.-chem. Jahrb., 6, 27. 

 Precipitation by means of potassium chlorate, solution in oxalic acid, 



and titration with permanganate. Doubt as to the composition 



of the precipitate produced by the chlorate. 



1883: 20. Stone, G. C. The Volumetric Determination of Man- 

 ganese. 



Chem. News, 48, 273; Jsb. Chem., 1883, 1569; J. Chem. Soc. (Lond.), 



46, 499; Wagner's Jsb., 29, 19. 

 Reply to Mackintosh. 1883; 9. 



1883: 21. Troilius, M. The Determination of Manganese in Spiegel, 

 Ferro-manganese, Steel, etc. 



Trans. Am. Inst. Min. Eng., 12, 73; J. Iron Steel Inst., 1883, b, 761; 



Iron, 22, 397; Jern.-Kont. Ann., 1883, 466; Berg- u. hiittenm. 



Ztg., 43, 284; Jsb. Chem., 1884, 1599: Chem. Centrbl., 1884, 716; 



Ber., 17, 386, Ref. ; J. Chem. Soc. (Lond.), 48, 597; Stahl. u. Eisen, 



4, 126; Wagner's Jsb., 30, 18; J. Soc. Chem. Ind., 3, 523; 4, 137. 

 Use of potassium bichromate in connection with the Williams 



method of determination. See 1881: 18. 



1883: 22. Wolff, N. Ueber die Anwendung eines mit Bromdampf- 

 en geschwangerten Luftstromes zur Fallung des Mangans. 



Ztschr. anal. Chem., 22, 520; Jsb. Chem., 1883, 1566; Chem. Cen- 

 trbl., 1884, 156; J. Chem. Soc. (Lond.), 46, 640; Ber., 16, 3075; 

 Chem. News, 49, 201; Wagner's Jsb., 29, 438; Rep. anal. Chem., 

 3, 364; J. Am. Chem. Soc, s, 244. 



Precipitation by bromine in ammoniacal solution. 



1883: 23. ZuLKOWSKY, K. Zur Bestimmung des Mangans in Eisen- 

 erzen. {Title from Dingl. pol. J.) 



* Ber. oester. chem. Ges., 1883, 3; Jsb. Chem., 1883, 1569; J. Chem. 

 Soc, 46, 116; Dingl. pol. J., 248, 259; Wagner's Jsb., 28, i; 

 * Chemiker u. Droguist, 1883, 62; Rep. anal. Chem., 3, 124; 

 Chem.-techn. Rep., 22, b, 236. 



Precipitation as sulphide, ignition, solution of the residue in sulphur- 

 ous and nitric acids, and titration with permanganate. 



1884: I. Anger, C. Prtifung der Mangantitrirung mit Kaliumper- 

 manganat in alkalischer Losung. 



Stahl. u. Eisen, 4, 156; Wagner's Jsb., 30, 397; Dingl. pol. J., 254, 



139- 

 Titration with permanganate in the presence of sodium carbonate 

 in excess. 



