BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 8l 



1895: 2. AucHY, G, The Volumetric Estimation of Manganese. 



J. Am. Chem,, Soc, 17, 943; Chem. Centrbl., 1896, a, 460; J. Chem. 

 Soc. (LoTid.), 70, b, 339; School Mines Quart., 17, 313; J. Soc. 

 Chem. Ind., 15, 220. 

 Criticism and comments on the Williams (iSSi : 18) and the Volhard 

 (1S79: 14) methods. 



1895: 3. BoDLANDER, G. Das Gasgravimeter fixr chemischc Analvsc 

 auf gasometrischen Wege. 



Ztschr. angew. Chem. 1895, 55. 



Determination of peroxide in pyrolusite (or after precipitation by 

 potassium chlorate from iron) , by means of hydrogen peroxide. 



i'Bqs: 4. Carnot, A. (Title unknown). 



* Echo Mines. 1895; Berg- u. hiittenm Ztg., 1895, 173; Wagner's Jsb., 

 41, 199; * Genie civil, 26, 140; J. Iron Steel Inst., 1895, a, 507. 

 Precipitation with hydrogen peroxide, solution of the precipitate 

 in an excess of oxalic acid, and titration for this excess. 



1895: 5. Engels, C. Vorlaufige Mittheilung. 



Ztschr. anorg. Chem., 9, 78; J. Chem. Soc. (Lond.) , 68, b, 419; Chem. 



Centrbl.. 1895, b, 183; Ber., 28, 62S, Ref. 

 Electrolytic precipitation with the aid of hydrogen peroxide. 



1895: 6. Engels, C. Quantitative Bestimmung von Mangan und 

 Zink durch Elektrolyse. 



Ber., 28, 3182; Ztschr. Elektrotech. u. Elektrochem., 2, 413; Chem. 

 Centrbl., 1896, a, 327; Bull. soc. chim. (3), 16, 744; Ztschr. anorg. 

 Chem., 12, 400; Chem. Ztg., 20, 44, Rep.; Ztschr. angew. Chem., 

 1896, 76; J. Chem. Soc. (Lond.), 70, b, 276; J. Soc. Chem. Ind., 

 15, 219; Wagner's Jsb., 42, 335; Ann. chim. anal, appl., i, 119. 

 Deposition as peroxide from a solution containing much sodium 

 acetate and chrome alum, or a hydroxylamine salt. 



1895 : 7. Forestier, H. Essai des aciers, fers et fontes par I'analyse 

 chimique. 



Bull. soc. chim. (3), 13, 5S7. 



Separation from iron by the acetate method or with zinc oxide. 

 Determination by precipitation by means of chlorate or hydrogen 

 peroxide, and ignition to mangano-manganic oxide; or titration 

 with ferrous sulphate or oxalic acid solution; or colorimetric 

 determination by oxidation to permanganic acid by lead peroxide 

 or bis:nuth tetroxide. 



1895: 8. Groger, M. Zur elektrolytischen Bestimmung des Man- 

 gan s. 



Ztschr. angew. Chem., 1895, 253; Chem. Centrbl., 1895, a, 1190; 

 School Mines Quart., 16,376; Ztschr. anorg. Chem., 11, 69; 12, 

 400; Ber., 28,567, Ref.; Berg- u. huttenm. Ztg., 54, 211; Chem. 

 -techn. Rep., 34, 274; J. Chem. Soc. (Lond), 68, b, 419. 

 Criticism of Rudorff electrolytic method. Precipitation by electroly- 

 sis and determination as peroxide. See also 1892: 18. 



