2 2 BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 



1867: 4. Tosh, E. G. On the Analysis of Cast Iron. 



Chem. News, 16, 168. 



Separation from iron by the acetate method, precipitation as sul- 

 phide, re-precipitation as the carbonate, and ignition to mangano- 

 manganic oxide. 

 1868: I. Braun, C. D. Ueber das Verhalten der Manganoxydul- 

 salze zu den Natronsalzen der Phosphorsaure bei Anwesenheit 

 wirksamen Sauerstoffs. 



Ztschr. anal. Chem., 7, 340; Jsb. Chem., 1868,227; Ztschr. Chem., 



1869, 306. 

 Detection by heating with phosphoric acid and lead peroxide. See 

 also 1867: I. 

 1868: 2. JuETTE. Sur une methode de dosage de I'acide tartarique 

 et de I'acide malique, au moyen du fer, de raluminium, du man- 

 ganese, etc., et reciproquement. 



C. R., 66, 417; Chem. News, 18, 63; Bull. soc. chim. (2), 10, 28. 

 Volumetric estimation by titration with tartaric or malic acid in 

 alkaline solution. 



1868: 3. Lunge, G. Ueber die analytischen Arbeiten in Sodafab- 

 riken. 



Dingl. pol. J., 186, 205; Chem. Centrbl., 1868, 107 1. 

 Determination of the peroxide by passing the chlorine evolved 

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

 and titration for the unoxidized iron. 



1868 ; 4. Terreil, a. Action des solutions salines sur les mineraux. 

 C. R., 66, 668; Ztschr. Chem., 11, 337; Chem. News, 13, 45. 

 Separation from magnesium and zinc by means of ammonium sul- 

 phide in the presence of a large amount of ammonium salts. 



1869: I. Classen, A. Ueber die Fallung und Bestimmung des 

 Mangans durch Anwendung von Schwefelammonium. 



Ztschr. anal. Chem., 8, 370; Chem. Centrbl., 1870, 530; Jsb. Chem., 

 1869, 887; Ztschr. Chem., 1870, 285; Bull. soc. chim. (2), 14, 44; 

 Chem.-techn. Rep., 9, b, 122. 

 Some conditions under which precipitation as sulphide is incomplete. 



1869: 2. Damour, a. Notice sur la Jakobsite: nouvelle espece 

 min^rale. 



C. R., 69, 168; Jsb. Chem., 1869, 891; L'Inst., 1869, 243. 

 Separation from iron by the acetate method and from magnesium 

 by means of hydrogen peroxide. 

 1869: 3. Galetti, M. Abanderung der Methoden zur volumet- 

 rischen Bestimmung des in Erzen enthaltenen Kupfers und 

 Zinks mit einer Normallosung von Ferrocyankalium. 

 Ztschr. anal. Chem., 8, 137. 

 Separation from zinc in alkaline solution by means of bromine. 



