94 BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 



1899: II. Natterer, K. Chemische Untersuchungen im Rothen 

 Meere. 



Monatsh. Chem., 20, 12. 



Colorimetric determination in the water of the Red Sea. 



1899: 12. Pozzi-EscoT, M-. E. Analyse microchimique. 

 Ann. chim. anal. appL, 4, 398. 

 Detection by microchemical tests. 



1899: 13. Reichard, C. Ueber die maassanalytische Bestimmung 

 des Mangans in den mangansauren Salzen durch alkalische 

 Losungen von arseniger Saure. 



Chem. Ztg., 23, Soi; Chem. Centrbl., 1899, b, 886; J. Soc. Chem. 

 Ind., 18, 1 1 56; J. Chem. Soc. (Lond.), 76, b, 813; Chem. News, 

 82, 30S. 

 See title. 



1899: 14. Reichard, C. Ueber die quantitative Bestimmung der 

 Mangansaure in Gegenwart von Mangansalzen, bezw. die 

 Analyse der beiden Manganverbindungen neben einander mit- 

 tels arseniger Saure in alkalischer Losung. 



Chem. Ztg., 23, 867; Chem. Centrbl.. 1900, a, 66; J- Chem. Soc. 

 (Lond.), 78, 109; Ann. chim. anal, appl., 5, 394; Analyst., 25, 23. 

 See title. 

 1899: 15. RiEDERER, E. J. Electrolytic Determination of Zinc in 

 the Presence of Manganese. 



J. Am. Chem. Soc, 21, 789; J. Chem. Soc. (Lond.), 78, 49; Ann. 



chim. anal, appl., 5, 266; Analyst, 25, 79. 

 Separation from zinc by electrolysis. 



1899: 16. J. T. IManganese in Chrome Steels. 

 Chem. News, 79, 157. 

 Note on the Ford- Williams method (1881: 18). 



1900: I. BoTTGER, W. Ueber die Bestimmung des Mangans als 

 Pyrophosphat. 



Ber., 33, 1019; Chem. Centrbl. 1900, a, 1140; J. Soc. Chem. Ind., 

 19, 564; Chem. News, 82, 247; J. Chem. Soc. (Lond.), 78, 443; 

 Analyst, 25, 304. 

 Full discussion of the conditions which give the best results in the 

 determination as pyrophosphate. 



1900: 2. Dakin, H. D. Zur Bestimmung von Mangan und Kobalt 

 als Phosphat. 



Ztschr. anal. Chem., 39, 784. 



Precipitation in the presence of a moderate excess of ammonium 

 chloride and determination by weighing as ammonium manganese 

 phosphate or the pyrophosphate. Comments on the article by 

 Gooch and Austin. See 1898: 8. 



