76 BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 



1892: 18. RuDORFF, F. Quantitative Analyse durch Elektrolyse. 



Ztschr. angew. Chem., 1892, 6; Chem. Centrbl., 1892, a, 331; J. 



Chem. Soc. (Lond.), 64, b, 94. 

 Determination by electrolysis. 



1892: 19. Schneider, L. Beitrage zur cheniischen Untersuchung 

 des Stahles. 



Oester. Ztschr. Berg- u. Hiittenw., 40, 46 and 235; Chem. Centrbl., 

 1892, a, 337; Ztschr. angew. Chem., 1892, 274 and 466; School 

 Mines Quart., 14, 362; Stahl u. Eisen, 12, 471; Wagner's Jsb., 

 38, 119; Berg- u. hiittenm. Ztg., 51, 163; Ztschr. anorg. Chem., 

 I, 474; J. Iron Steel Inst., 1892, b, 512; J. Soc. Chem. Ind. 12, 

 293; 13, 546; Dingl. pol. J., 291, 238. 



Determination in steel by oxidation to permanganic acid by means 

 of lead peroxide and titration with hydrogen peroxide. Deter- 

 mination in chrome steel. 



1892: 20. Van Grundy, C. P. Note on Textor's Rapid Method for 

 the Determination of Manganese. 



Proc. Eng. Soc. Western Penna., 8, 158; J. Iron Steel Inst., 1892, 

 b, 512. 



Oxidation to permanganic acid by means of lead peroxide, and 

 titration with arsenious acid. (Description of Textor procedure 

 is given in this article. No other description has been found.) 



1892: 21. Warwick, H. S. Die Elektrolyse von Metall-formiaten. 



Ztschr. anorg. Chem., i, 298 and 299. 



Electrolytic determination and separation from zinc and cadmium. 



1893: I. Carnot, A. (Discussion.) 



Bull. soc. chim. (3), 9, 214; Chem. Centrbl., 1893, b, 156; Chem. 



News, 68, 15 and 301. 

 Comments on the paper by Gorgeu, 1893: 6. 



1893: 2. Carnot, a. Sur la precipitation du manganese par I'eau 

 oxygenee et I'ammoniaque, en vue de son dosage ponderal ou 

 volumetrique. 



Bull. soc. chim. (3), 9, 613; Chem. Centrbl., 1893, b, 596; Ztschr. 



anorg. Chem., 5, 316. 

 See title. 



1893 : 3. Carnot, A. Sur I'essai des oxydes de manganese par I'eau 

 oxygenee. 



Bull. soc. chim. (3), 9, 646; C. R., 116, 1295; Chem. Centrbl., 1893, 

 b, 191; J. Chem. Soc. (Lond)., 64, b, 497; J. Soc. Chem. Ind., 

 12, 897; Ztschr. anorg., Chem., 6, Si. 



Determination by a gasometric method similar to that of Lttnge. 

 See 1885: 13. 



