4 BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 



1829 : I. Gay-Lussac. Sur I'essai des oxides de manganese du com- 

 merce. 



J. de pharm., 1828, Oct. ; J. techn. Chem. (Erdmann), 4, 274. 

 Determination of peroxide in pyrolusite by treatment with hydro- 

 chloric acid, passage of chlorine into milk of lime and titration 

 with indigo. 



1829: 2, Lassaigne. Note sur la purification de I'oxide de man- 

 ganese. 



Ann. chim. phys. (2), 40, 329; J. fiir Chem. (Schweigger) , 56, 163; 



Dingl. pol. J., 33, 126; Arch. Pharm., 35, 262. 

 Separation from iron by means of acid oxalates not found suitable 

 for analytical purposes. 



1829: 3. Martini. Ueber das arseniksaure Kali als Scheidungsmit- 

 tel des Eisens vom Mangan. 



J. fiir Chem. (Schweigger), 56, 162. 



Separation from iron by means of potassium arsenate, and by suc- 

 cinic and benzoic acids. 



1830: I. Becquerel. Un precede electro-chimique pour retirer le 

 manganese et le plomb des dissolutions dans lesquelles ils se 

 trouvent. 



M6m. de I'lnst., 10, 286; Ann. chim. phys. (2), 43, 380. 



Separation from iron and zinc by electrolysis. 



1830: 2. Fuss, W. E. Ueber Darstellung des reinen Manganoxy- 

 duls. 



J. fur Chem. (Schweigger), 60, 346. 



Separation from iron by ammonia and precipitation as carbonate. 



1831: I. FucHS.J. N. Beitrag zur Scheidung des Eisenoxydes vom 

 Eisenoxydul und anderen Metalloxyden. 



J. fur Chem. (Schweigger), 62, 192; Pharm. Centrbl., 1831, 461; 



Berzelius' Jsb. (1833), 12, 164. 

 Separation from iron by means of calcium carbonate. 



1831: 2. LiEBiG, J. Scheidung der Bittererde, des Manganoxyduls, 

 des Kobalts und Nickels, des Eisenoxyduls vom Eisenoxyd, 

 und des Bleioxyds vom Wismuthoxyd. 



Mag. der Pharm. (Geiger), 35, iii; Ann. chim. phys. (2), 48, 290; 



(2), 49, iii; Pharm. Centrbl., 1831, 747; Berzelius' Jsb. (1833), 



12, 166. 

 Finds method of Fuchs unreliable. 8661831: i. 



183 1 : 3. Turner, E. Manganese: Mode of Ascertaining the Value 

 of its Ores. 



* J. Roy. Inst., i, 293; Dingl. pol. J., 40, 212; J. Frank. Inst., 11, 

 356; Pharm. Centrbl., 1831, 304; * Rep. Pat. Inv., 11, 224; 



