40 BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 



i88i: 3, Classen, A., and v. Reis, M. Electrolytische Bestim- 

 mungen und Trennungen. 



Ber., 14, 1626 and 1630; DingL poL J., 242, 441; Jsb. Cliem., 1881, 

 1 152; J. Chem. Soc. (Lond.), 40, 1081; Ztschr. anal. Cheni., 21, 

 255; Bull. soc. chim. (2), 37, 184; Wagner's Jsb., 27, 356; Am. 

 Chem. J., 4, 58. 



Electrolytic separation from iron, and determination by electrolysis. 



1881: 4. Delvaux, G. Separation de I'oxyde de nickel et I'oxyde 

 de cobalt. 



C. R., 92, 723; Jsb. Chem., 1881, 1188; Ztschr. anal. Chem., 21, 11 1. 

 Separation from cobalt by sulphuretted hydrogen in acetic acid solu- 

 tion, and from nickel by oxidation on standing in the air. 



1881: 5. Deshayes, V. Revue metallurgique. 

 Bull. soc. chim. (2), 36, 121. 



Comments on Ford's and colorimetric methods of determination in 

 steels. See 1881 : 8. 



1881: 6. DoNATH, E. Ueber eine volumetrische Bestimmung von 

 Chrom und Mangan neben Eisenoxyd und Thonerde. 



Ber., 14, 982; Chem. News, 43, 253; Jsb. Chem., 1881, 1 184; Chem. 



Centrbl., 1881, 469; Ztschr. anal. Chem., 22, 245; Chem. Ztg., 5, 



304; J. Chem. Soc. (Lond.), 40, 760; Bull. soc. chim. (2), 37, 92; 



Wagner's Jsb., 27, 355; Dingl. pol. J., 242, 391. 

 Determination by addition of a neutral solution of manganese to 



standard solution of permanganate until latter is colorless. 



1881: 7. Emmerton, F. a. Chemical Methods for Analysing Rail 

 Steel. 



Trans. Am. Inst. Min. Eng., 10, 203; Jsb. Chem., 1882, 1289; J.Iron 

 Steel Inst., 1881, b, 653; Eng. Min. J., 32, 319; Dingl. pol. J., 246, 



239- 

 Determination by the Volhard method. (1879: 14.) 



i88i: 8. Ford, S. A. Method for the Estimation of Manganese in 

 Spiegels, Irons, and Steels. 



Trans. Am. Inst. Min. Eng., 9, 397; Eng. Min. J., 32, 6. 

 Precipitation by means of potassium chlorate, re-solution in acid 

 and final precipitation as manganese ammonium phosphate. 



1881: 9. FoRGUiGNON. Recherches sur la fonte malleable et sur le 

 recuit des aciers. 



Ann. chim. phys. (5), 23, 447. 



Determination in steel by the Leclerc method. See 1872; 7. 



1881: 10. Iles, M. W. Decomposition of Slags and Silicates. 



Chem. News, 43, 78; J. Chem. Soc. (Lond.), 40, 645. 

 Volumetric method of determination throvigh the formation of man- 

 ganate by fusion with alkali hydroxide. (Unimportant.) 



