BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 



95 



1900: 3. HiLLEBRAND, W, F. Some Principles and Methods of Roclc 

 Analysis. • 



Bull. U. S. Geol. Surv., No. 176, 60. 



Separation from nickel and cobalt by means of the solubility of 

 their sulphides. Precipitation as carbonate. Comments on the 

 Jannasch and Cloedt method of separation from zinc by means 

 of hydrogen peroxide. See 1895: 11 and 1899; 7- 



1900: 4. HioRNS, A. The Electrolytic Estimation of Manganese in 

 Manganese Ores. 



Chem. News, 81, 15; Chem. Centrbl., 1900, a, 489; J. Chem. Soc 

 (Lond.), 78, 444; Ann. chim. anal. appl.. 5, 230; School Mines 

 Quart., 22, 94. 



Precipitation by electrolysis and ignition to mangano-mano-anic 

 oxide. 



1900: 5. Ibbotson, F., and Brearley, H. The Estimation of Man- 

 ganese and Chromium in Tungsten Alloys. 



Chem. News, 82, 209; Chem. Centrbl., 1900, b. iiSS;"^Chem. Zto- 

 24, 347, Rep. 



Volumetric determination by oxidation to permanganate bv means 

 of lead peroxide in nitric acid solution, and titrationTwith a re- 

 ducing agent. Hydrofluoric acid used to aid in the solution 

 of the alloy. (See also Norris, 1891: 19, and Ford and Bregow- 

 sky, 1898: 6). 



1900: 6. Ibbotson, F., and Brearley, H. The Estimation of 

 Molybdenum in Steel and Steel-making Alloys. 



Chem. News, 81, 269; School Mines Quart., 22, 97. 

 Influence of molybdenum on the determination of?manganese by 

 means of bromine and by the Williams-Ford method (1881 : 18). 



1900: 7. Jervis, H. Note on the Estimation of Manganese in Steel. 



Chem. News, 81, 171; Chem. Centrbl., 1900, a, 1038; J. Chem. 



Soc. (Lond.), 78, 444; Stahl u. Eisen, 20, 747: School Mines 



Quart., 22, 94. 

 Determination in molybdenum powders and in tungsten steels by 



oxidation to permanganate by means of lead peroxide in nitric 



acid solution, and titration with oxalic acid or ferrous sulphate. 



1900: 8. JoiJET, C. H. The Analysis of Slags and Cinders. 



School Mines Quart., 22, 71. 



Determination by the Volhard method (1879: 14). Also pre- 

 cipitation by means of chlorate, separation from iron by 

 means of acetates, and precipitation as phosphate. 



