86 BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 



1896: 13a. Neumann, B. Die elektrolytische Bleibestimmung u. 

 ihre Beeinflussung durch die Gegenwart von Arsen, Selen, Man- 

 gan. 



Chem. Ztg., 20, 3S3. 



Separation from lead by electrolysis. 



1896: 14. RiJRUP, L. Vergleichende Manganbestimmungen in Stahl 

 und Eisen. 



Chem. Ztg., 20, 285 and 337; Chem. Centrbl., 1896, a, 1144 and 

 1 1 78; Ztschr. anorg. Chem., 15, 383; Berg- u. hiittenm. Ztg., 55, 

 216; Analyst, 21, 218; J. Iron Steel Inst., 1896, a, 535. 

 Comparative determinations as manganous sulphate, as mangano- 

 manganic oxide, by removal of the iron with sodium sulphate and 

 titration with permanganate, by the Ford, the Volhard, and the 

 Hampe chlorate methods. See 1881: 8, 1879: 14, and 1883: 4. 



1896: 15. Stone, G. C. Remarks on Mr. Auchy's Paper on the 

 Volumetric Determination of Manganese. 



J. Am. Chem. Soc, 18, 228; Chem. Centrbl., 1896, a, 1028; Bull, 

 soc. chim. (3), 16, 1238; J. Iron Steel Inst., 1896, b, 443; J. Chem. 

 Soc. (Lond.), 70, b, 547; School Mines Quart., 18, 43. 

 Recommends the Volhard method with slight modification. See 

 1896: I. 



1896: 16. Taggart, W. T., and Smith, E. F. The Separation of 

 Manganese from Tungstic Acid. 



J. Am. Chem. Soc, 18, 1053; Chem. Centrbl., 1897, a, 309; Chem. 



News, 75, 26; Chem. Ztg., 21, 10, Rep.; Bull. soc. chim. (3), 18, 



626; J. Chem. Soc. (Lond.). 72, b, 433; J. Soc. Chem. Ind. 16,164. 



Inadvisability of using ammonium sulphide or alkaline carbonates 



in effecting a separation from tungstic acid. 



1896: 17. ViARD, G. Sur le dosage du manganese en presence de 

 I'acid phosphorique. 



Bull. soc. chim. (3), 15, 973; Chem. Centrbl., 1896, b, 600; J. Chem. 

 Soc. (Lond.), 72, b, 519; J. Soc. Chem. Ind., 15, 677; Ann. chim. 

 anal, appl., i, 332. 

 Inapplicability of the Hannay, and the Beilstein and Jawein method 

 of determination, in the presence of phosphoric acid. See 1877: 

 10 and 1879: I. 



1897: I. AucHY, G. A Method for the Complete Analysis of Iron 

 Ores, with Notes on Sarnstrom's Method of Determining 

 Manganese. 



J. Am. Chem. Soc, 19, 139; Chem. Centrbl., 1897, a, 883; J. Iron 



Steel Inst., 1898, a, 539; J. Chem. Soc. (Lond.), 72, b, 603. 

 Comments on Sarnstrom's method. See 1881: 15. 



