BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 93 



1899: 4. Daw, F. W. The Estimation of Manganese by Means of 

 Potassium Permanganate. 



Chem. News, 79, 25, 58, and 104; Chem. Centrbl., 1899, a, 504; 

 Ztschr. angew. Chem. 1899, 279; Chem. Ztg., 23, 44, Rep.; BulL 

 soc. chim. (3), 22, 443; J. Iron Steel Inst. 1899, a. 465; Chem. 

 -techn. Rep., 38, 272; Wagner's Jsb., 45, 130; School Mines Quart., 

 20, 302; Analyst, 24, no; J. Chem. Soc. (Lond.), 76, 334. 



Criticism of the Volhard method (1879: 14). 



1899: 5. DuNNiNGTOx, F. P. Composition of Manganese Pyro- 

 phosphate. 



Chem. News, 79, 275. 



A notice of an error in "Fresenitis Quantitative Analysis" (1876, 

 Vol. i). 



1899: 6. Fernberger, H. M., and Smith, E. F. The Electrolysis 

 of Metallic Phosphate Solutions. 

 J. Am. Chem. Soc, 21, looi. 

 Electrolytic separation from copper. 



1899: 7. Friedheim, C, and Bruhl, E. Kritische Studien ueber die 

 Anwendung des Wasserstoffsuperoxyds in der quantitativen 

 Analyse. 



Ztschr. anal. Chem., 38, 686; J. Soc. Chem. Ind., 19, 170. 

 Criticism of the work done b}- Jannasch regarding the iise of hydro- 

 gen peroxide for the separation from copper, zinc, nickel, and 

 chromium. See 1895: 10, 11, and 14, and 1896: 8 and 9. 



1899: 8. Herting, O. Beitrag zur Bestimmung des KohlenstofTs, 

 des Kupfers und Mangans im Eisen. 



Ztschr. angew. Chem, 1899, 1193; Chem. Centrbl., 1900, a, 226; 



Wagner's Jsb.. 45, 129. 

 Preference given to the Gooch-Austin and the Volhard- Wolff 

 methods. See 1898: 8 and 1884: 18. 



1899: 9. Hess, W. H., and Campbell, E. D. A New Method for the 

 Direct Determination of Alumina in the Presence of Iron, 

 Manganese, Calcium, and Magnesium. 



J. Am. Chem. Soc., 21, 776; J- Chem. Soc. (Lond.), 78, 50; Ann. 



chim. anal, appl., 5, 230. 

 Separation from aluminum by means of phenylhydrazine, 



1899: 10. Namias, R. Volumetric Estimation of Manganese. {Title 

 from J. Chem. Soc.) 



* Ann. Soc. chim. Melano, 1899, 54; Chem. Centrbl., 1899, a, 1224; 

 J. Iron Steel, Inst., 1900, a, 433; J. Chem. Soc. (Lond.), 78, 50. 

 Use of the Volhard method (1S79: 14). 



