BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 79 



1894: 4. Jones, H. C. Sur I'essai des oxydes du manganese par 

 I'eau oxygenee. 



C.R., 117, 781; Chem. Centrbl., 1894, a, 229; Ber., 27, ^;i, Ref.; 



J. Chem. Soc. (Lond.), 66, b, 121. 

 Comments on Camot's articles (1893: 1-4). 



1894: 5. Jones, J. Rapid Method for the Determination of Man- 

 ganese in Manganese Bronze. 



J. Am. Chem. Soc, 15, 414; Chem. Centrbl., 1894, a, 108; Ztschr. 

 anal. Chem., 37, 338; Eng. Min. J., 57, 347; Chem.-techn. Rep., 

 34, a, 297; Monit. scientif., 36, 521; School Mines Quart., 15, 151; 

 Berg- u. hiittenm. Ztg., 53, 189. 



Determination by the Hampe chlorate method (1883: 4). 



1894: 6. Kassner, O. Ueber Natriumsuperoxyd und seine An- 

 wendung in der Analyse. 



Arch. Pharm., 232, 226; Ztschr. anal. Chem., 34, 595; J. Chem. 



Soc. (Lond.), 66, b, 429. 

 Separation from chromium by means of sodium peroxide. 



1894: 7. Kippenberger, C. Ein einfacher Apparat fur gasanaly- 

 tische Zwecke. 



Ztschr. angew. Chem., 1894, 714; Ztschr. anal. Chem., 35, 185. 

 Apparatus for gasometric determination of peroxide by measure- 

 ment of oxygen evolved during reaction with hydrogen peroxide. 



1894: 8. Lunge, G. Volumetre k gaz universel. 



Bull. soc. chim. (3), 11, 636. 

 Gasometric detennination of peroxide. 



1894: 9. Nass, G. Ueber die quantitative Bestimmung von Man- 

 gan, Magnesium, Zink, Kobalt und Nickel, mittels der Oxalat- 

 methode nach Prof. A. Classen. 



Ztschr. angew. Chem., 1894, 501; Chem. Centrbl., 1894, b, 601; 

 Ztschr. anorg. Chem., 7, 364; Chem. Ztg., 18, 227, Rep.; Bar., 

 28, 22, Ref.; J. Chem. Soc. (Lond.), 66, b, 482; J. Soc. Chem. Ind., 

 14, 69. 



General study of Classen's method. See 1877: 3 and 7. 



1894: 10. Neumann, G. Quantitative Analyse von Schwermetal- 

 len durch Titriren mit Natriumsulfid. 



Monatsh. Chem. 15, 495; J. Chem. Soc. (Lond.), 68, b, 64; Chem. 

 News, 72, 212; Ztschr. anal. Chem., 34, 454. 



Addition of alkaline sulphide in excess, filtration, addition of sul- 

 phuric acid in excess, and titration with alkali. 



1894: II. PoLECK, T. Ueber Natriumsuperoxyd. 



Ber., 27, 1052. 



Separation from chromium by means of sodium peroxide. See 

 1804: 6. 



