24 BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 



1869: II. Teschenmacher, E. F., and Smith, J. D. Zur Braun- 

 steinpriifung. 



Ztschr. anal. Chem., 8, 509; Ztschr. Chem., 13, 287; Jsb. Chem., 



1869, 888. 



Comparison of the results obtained by the method of Fresenius and 

 Will and by the iron method. 



1870: I. Fresenius, R. Zur Analyse von Korpern welche beim 

 Erhitzen mit Salzsaure Chlor entwickeln. 



Ztschr. anal. Chem., 9, 63; Jsb. Chem., 1870, 993; Ztschr. Chem. 



1870, 479. 



Criticisms of Bunsen's method for the determination of peroxide 

 in pyrolusite. 



1870: 2. GiBBS, W. On the Precipitation of Copper and Nickel by- 

 Alkaline Carbonates. 



Am. J. Sci. (2), 44, 213; Chem. Centrbl., 1870, 62. 

 Precipitation of manganese by means of oxalic acid in presence of 

 alcohol. 



1870: 3. Leison, W. G. On the Precipitation and Determination 

 of the Metals of the Magnesium Group in the Form of Oxalates. 



Am. J. Sci. (2), 50, 240; Chem. News, 22, 210; Chem. Centrbl., 



1870, 706. 

 Precipitation as oxalate. Comments on Gibbs's method. See 1870 :2. 



1870: 4. Parker, J. S. On the Estimation of Manganese in Spie- 

 geleisen. 



Chem. News, 22, 186; Dingl. pol. J., 199, 49; Chem. Centrbl. 1870, 

 725; Berg.- u. hiittenm. Ztg., 30, 55; Wagner's Jsb., 17, 13. 



Influence of copper on the precipitation of manganese as hydrated 

 peroxide. 



1870: 5. Pattinson, J. On the Estimation of Peroxide of Mangan- 

 ese in Manganese Ores. 



Chem. News, 21, 267; Am. Chemist, 1870, 141; Ztschr. anal. Chem., 

 9, 509; Chem. Centrbl., 1870, 636; Jsb. Chem., 1870, 991; Bull, 

 soc. chim. (2), 14,347; Pol. Centrbl., 1871, 117 and 1568; Berg- 

 u. huttenm. Ztg., 29, 347; Ztschr. Chem., 1870, 442 ; Chem.-techn. 

 Rep. 10 a, 146; Dingl. pol. J., 197, 422; Wagner's Jsb., 16, 1S3. 



Refers to Fresenius and Will's, Sherer and Rumpf's, and Bunsen's 

 methods. 



1870: 6. Paul, B. H. On the Testing of Manganese Ores. 



Chem. News, 21, 16; Ztschr. anal. Chem., 9, 410. 

 Solution of the ore in oxalic acid and titration for the excess with 

 potassium permanganate. 



