l8 BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 



i86i: 4. MoLLER. Analyse des Tritomits von Brevig. 



Ann. Chem. (Liebig), 120, 243; Ztschr. anaL Chem., i, 217. 

 Separation from iron, alumina, and alkaline earths by chlorine, and 

 determination by the method of Bunsen. 



1861: 5. Quadrat, B. Ueber Methode zur Priifung des Braunsteins 

 auf seinen Handelswerth. {Title from Pol. Centrhl.) 



* Schweiz. pol. Ztschr., 6, 103; Pol. Centrbl., 1861, 683; Ztschr. 



Chem., 1861, 605; Wagner's Jsb. , 7, 143. 

 Determination of peroxide from the loss of weight of strip of copper 



immersed during solution of the pyrolusite in hydrochloric acid. 



1861: 6. Rose, H. Chemisch-analytische Beitrage; Trennung des 

 Zinns von Mangan. 



Ann. der Phys. (Pogg.), 112, 172; Chem. News, 5, 86; Jsb. Chem., 



1861, 855; Ztschr. Chem., 1861, 281; Rep. chim. pure, 3, 389. 

 Separation by means of sulphuric acid. 



1862: I. Abel, F. A. On the Chemical Examination of Iron Sam- 

 ples and of the Materials Employed in their Manufacture. 



Chem. News, 6, 123; Rep. chim. appl., 5, 26. 



Separation from iron b}' the acetate method, precipitation by means 



of bromine in ammoniacal solution, and ignition to mangano- 



manganic oxide. 



1862: 2. RoHR, R. Zur Braunsteinpriifung. 



Ztschr. anal. Chem., i, 48; Jsb. Chem., 1861, 850. 

 Treatment of pyrolusite with dilute sulphuric acid before the appli- 

 cation of the Fresenius-Will method. 



1862: 3. SiMMLER, T. Beitrage zur chemischen Analyse durch 

 Spectralbeobachtungen. 



Ann. der Phys. (Pogg.), 115, 425; Ztschr. anal. Chem., i, 356. 

 Spectrum produced by manganous chloride. 



1863: I. Fresenius, R. Missbrauch bei Braunsteinanalysen. 



Ztschr. anal. Chem., 2, 346; Chem. CentrbL, 1864, 511; Pol. Cen- 

 trbl., 1864, 826; Chem.-techn. Rep., 3, a, 105; DingL pol. J., 172 



73- 

 Comments on the apphcation of the Fresenius-Will method to speci- 

 mens of pyrolusite containing carbonates. 



1863: 2. GuYARD, A. Du dosage direct du manganese, de I'anti- 

 moine, et de I'uranium par la methode des volumes, et de 

 quelques composes de ces metaux. 



Bull. soc. chim. (2), i, 89; Chem. Centrbl., 1864, 339; Jsb. Chem., 

 1863,679; J. de pharm. (3), 45, 409; Chem. News, 8, 292; Ztschr. 

 anal. Chem., 3, 373. 

 Volumetric determination by means of potassium permanganate. 



