55 BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 



1887: 4. Brand, A. Ueber eine Abanderung der titrirmetrischen 

 Manganbestimmung durch Kaliumpermanganat. 



Stahl u. Eisen, 9, 399; Chem. Centrbl., 1887, 876; Jsb. Chem., 

 1887, 2429; Wagner's Jsb., 33, 271; J. Iron Steel Inst., 1887, b, 

 368; Berg- u. huttenm. Ztg., 47, 20; Techn.-chem. Jahrb., 10, 16. 



Volumetric determination by means of permanganate. Oxida- 

 tion of the iron and destruction of organic matter with barium 

 peroxide. 



1887: 5. Cheever, B. W. Conversion of Manganese to Perman- 

 ganic Acid. 



J. Anal. Chem., i, 176. 



A study of the action of lead peroxide in nitric acid solution. 



1887: 6. Carnot, a. Sur diverses reactions des vanadates et leur 

 emploi dans I'analyse chimique. 



C. R., 104, 1803; Chem. News, 56, 16. 

 Precipitation as vanadate in ammoniacal solution. 



1887: 7. DoNATH, E., and Zeller, R. Einige Anwendungen des 

 Wasserstoffsuperoxydes. 



Rep. anal. Chem., 7, 36; Jsb. Chem., 1887, 2428; Ber., 20, 118, 



Ref. ; J. Anal. Chem., i, 321. 

 Separation from zinc, nickel, and cobalt by means of hydrogen 



peroxide. 



1887: 8. Haushofer. (Title unknown.) 



* Jahrb. f. Min., i, 13; J. Chem. Soc. (Lond.), 52, 300. 

 Detection by a microscopic study of the crystals formed on cooling 

 a hot, concentrated sulphuric acid solution of the substance. 



1887: 9. JoLLES, A. Ueber Kaliumpermanganat und seiner Bedeu- 

 tung in der analytischen Chemie. 



Schlesische Ges. vaterl. Cultur. Breslau, 65, 150; Rep. anal. Chem., 

 7, 491; Ztschr. anal. Chem., 28, 238; Wagner's Jsb., 33, 272; J. 

 Chem. Soc, (Lond.) (1889), 56, 798; Chem. Ztg., 11, 819. 

 A study of the Volhard Method. (1879: 14). 



1887: 10. Klobb, T. Permanganates ammonio-cobaltiques. 



Ann. chim. phys. (6), 12, 26. 



Separation from cobalt by precipitation as sulphide after the forma- 

 tion of cobaltic cyanide by the addition of a solution of hydrocy- 

 anic acid. 



1887: II. v. Knorre, G. Ueber eine neue Methode zur Trennung 

 von Eisen und Mangan. 



Stahl u. Eisen, 7, 178; Chem. Ind., 1887, 141; Dingl. pol. J., 265, 



420; Techn.-chem. Jahrb., 9, 18; 10, 15. 

 Use of nitroso-/J-napthol to separate manganese from iron or copper. 



