26 BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 



1871: 3. Kammerer, H. Ueber die Anwendung des Broms statt 

 des Chlors zu analytischen Zwecken. 



Ber., 4, 218; Jsb. Chem., 1871, 866; Ztschr. Chem., 1871, 444; 



Ztschr. anaL Chem., 10, 464. 

 Recommends use of bromine for manganese precipitations. 



187 1 : 4. Luck, E. Beitrage zur Braunsteinanalyse nach den Fre- 

 senius- Will'schen Verfahren. 



Ztschr. anal. Chem., 10, 310; Jsb. Chem., 1871, 929; J. Chem. Soc. 



(Lond.), 25, 264; Dingl. pol. J., 202, 305 ; Pol. Centrbl., 187 1, 



1568. 

 Determination of the accuracy of the method. 



1871: 5. Rowan, T. On the Estimation of Manganese in Spiegel- 

 eisen and Ferro-manganese. 



Chem. News, 23, 279; J. Chem. Soc. (Lond.), 24, 756; Am. Chemist, 



2» 75- 

 Precipitation of manganese as carbonate. 



1871: 6. Tamm, H. On a New Method of Estimating Zinc. 



Chem. News, 24, 150; Jsb. Chem., 1871, 932; Ztschr. Chem., 14^ 



467; Bull. soc. chim. (2), 16, 261. 

 Detei-mination of manganese as phosphate. 



1872: I. Allen, A. H. Estimation of Manganese. 



Chem. News, 26, 81. 



Comments on Tamm's article. See 187 1: 6. 



1872: 2. BoTTGER, R. Nachweismig von Spuren von Mangan. 



*Jsb. phys. Ver. Frankfurt, 10, 388; Vierteljsb. prakt. Pharm., 2i> 



418; Jsb. Chem., 1872, 911; Ztschr. anal. Chem., 1872, 433; 



Chem. News, 24, 192; Chem.-techn. Rep., 10, b, 150; J. Frank. 



Inst., 93, 87. 

 Detection of small amounts of manganese by contact of substance 



with fused potassium chlorate. 



1872: 3. Fresenius, R. Ueber die Bestimmung des Mangans ^uf 

 gewichtsanalytischem Wege. 



Ztschr. anal. Chem., 11, 290 and 413; Jsb. Chem., 1872, 908; Am. 



Chemist, 3, 472; J. Chem. Soc. (Lond.), 26, 409. 

 Determination as protosesquioxide after precipitation as manganous 



carbonate, hydroxide, hydrated peroxide (Guyard), or oxalate; 



as pyrophosphate (Gibbs) or as sulphide (Fresenius, Classen). 



1872: 4. Horner. The Spectra of Manganese in Blowpipe Beads. 



Chem. News, 25, 139; J. Chem. Soc. (Lond.), 25, 524. 

 Detection by means of absorption spectra of blowpipe beads. 



