50 BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 



1884: 17. WiELAND, J. Ueber elektrolytische Bestimmungen. 



Ber., 17, 161 1 and 2931; Jsb. Chem., 1884, 1542; Chem. News, 50, 



211. 

 Electrolytic determination. See Classen, 1884: 4. 



1884: 18. Wolff, N. Eine maassanalytische Bestimmung des 

 Mangans. 



Stahl u. Eisen, 4, 702; J. Iron Steel Inst., 1885, a, 301; Wagner's 

 Jsb., 31, 12; Berg- u. hiittenm. Ztg., 44, 20; Dingl. pol. J., 257, 

 199; Chem.-techn. Rep., 23, b, 186. 

 Separation from iron by means of zinc oxide, and titration with per- 

 manganate in the presence of the iron precipitate. 



1885: I. Bloxam, C. L. On the Detection of Iron, Aluminium. 

 Chromium, Manganese, Cobalt, Nickel, Calcium, and Magnesi- 

 ums (as Phosphates) in the Precipitate Produced by Ammonia. 

 Chem. News, 52, 109; Chem. Centrbl., 1885, 942; J. Chem. Soc., 48, 



1264; Chem. Ind., 8, 324. 

 Detection by means of phosphates. 



1885: 2. Charpentier, p. Sur une nouvelle methode d'analyse 

 volumetrique, applicable aux essais des bioxydes de manganese. 



C. R., ibi, 316; Chem. Centrbl., 1885, 715; Jsb. Chem., 1885, 1937; 

 Chem. News, 52, 87; J. Iron Steel Inst., 1886, a, 401; Ztschr. 

 anal. Chem., 28, 733; J. Chem. Soc. (Lond.), 48, 1162; Wagner's 

 Jsb., 32, 345; Rep. anal. Chem., 5, 352; Dingl. pol. J., 259, 103; 

 Chem.-techn. Rep., 24, b, 248; 25, a, 207; Chem. Ind., 9, 59. 



Determination of peroxide by passage of chlorine evolved on solu- 

 tion in hydrochloric acid into ferrous sulphate solution, and 

 titration for ferric iron with potassium hydroxide in presence of 

 potassium sulphocyanide. 



1885: 3. Cheever, B. W. Estimation of Manganese, Carbon, and 

 Phosphorus in Iron and Steel. 



Trans. Am. Inst. Min. Eng., 14, 372; J. Iron Steel Inst., 1885, 736. 

 Comments on the Williams method. (1881 : 18) 



1885: 4. Classen, A. Bemerkungen zu der Antwort des Herm 

 Wieland. 



Ber., 18, 168. 



Determination by electrolysis. See 1884: 4 and 1884: 17. 



1885: 5. Classen, A. Quantitative Analyse durch Elektrolyse. 



Ber., 18, 1793; Jsb. Chem., 1885, 1883; Bull. soc. chim. (2), 45, 



893; Dingl. pol. J., 259, 93; Ztschr. anal. Chem., 25, no. 

 Electrolytic separation from iron. 



1885: 6. Deane, L. M. Ferricyanide of Manganese. 



Chem. News, 51, 164 and 248; Jsb. Chem., 1885, 1937. 

 Solubility of manganese femcyanide. Note on an error in Fre- 

 senius' Qualitative Analysis. See 1885: 8. 



