88 BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 



1897: 9. Julian, F. Manganbestamningsmetod. 



Jem.-Kont. Ann., 52, 118; Berg.- u. huttenm. Ztg., 56, 410; J. Iron 



Steel Inst., 1898, b, 557; Chem. Ztg., 21, 313, Rep.; J. Soc. 



Chem. Ind.. 17, 185; Ann. chim. anal, appl., 3, 56. 

 Precipitation by chlorate in the presence of nitric acid, solution of 



the precipitate in an excess of hydrogen peroxide, and titration 



for this excess with permanganate. 



1897: 10. LoNGi, A., and Camilla, S. Intorno alia determinazione 

 del manganese nelle soluzioni manganese e permanganiche. 



Gazz. chim. ital., 27, a, 97; Chem. Centrbl. 1897, a, 619; Ztschr. 



anorg. Chem., 17, 158; 18, 403; Bull. soc. chim. (3), 18, 952; 



J. Chem. Soc, 72, b, 387. 

 Modification of the Volhard method (1879: 14). 



1897: II. Lemaire, M. Dosage colorimetrique du manganese. 



* Bull. soc. pharm. Bordeaux, 1897, 268; Chem. News, 76, 219; 

 Ann. chim. anal, appl., 2, 409. 



Colorimetric method, determination in plants. Oxidation to per- 

 manganic acid in nitric acid solution by means of lead peroxide. 



1897: 12. Miller, E. H. Notes on the Ferrocyanides of Zinc and 

 Manganese. 



J. Am. Chem. Soc, 18, iioo; Chem. Centrbl., 1897, a, 383; Chem. 



News, 75, 186. 

 Volumetric determination as ferrocyanide. 



1897: 13. Miller, E. H., and Mathews, J. A. On the Ferrocyan- 

 ides of Zinc and Manganese. 



J. Am. Chem. Soc, 19, 547; Chem. Centrbl., 1897, b, 538. 

 Volumetric detennination as ferrocj^anide. 



1897: 14. PuRGOTTi.A. Supra un nuovo metodo di determinazione 

 di alcune sostanze per mezzo del solfato d'idrazina. 



Gazz. chim. ital., 26, b, 568; Chem. Centrbl., 1897, a, 488; Ztschr. 



anorg. Chem., 18, 403 ; Pharm. Centrh., 1897, 551; Ann. chim. 



anal, appl., 2, 414. 

 Gasometric determination, with the aid of hydrazine-sulphate. 



1897: 15. Schneider, L. Ein Beitrag zu den vergleichenden Man- 

 ganbestimmungen in Stahl und Eisen von L. Rlirup. 



Chem. Ztg., 21, 41; Chem. Centrbl., 1897, a, 436 ; J. Iron Steel Inst., 

 1898, a, 534; J. Chem. Soc. (Lond.), 74, b, 94; Analyst, 22, no. 



Comments on Riirup's comparative determinations. See 1896; 14. 



Reference to colorimetric methods by oxidation to permanganic 

 acid. 



