544 BIOGRAPHICAL INDEX 



BRAGG, W. H. Structure of crystals, 441, 487 

 BRAND 



1669. (?) Preparation of phosphorus, 177 

 BRIDGMAN 



1912. Dense ice, 528 

 BRUN 



1630. Calcination of tin 



BUNSEN, ROBERT WILHELM, b. 1811, Gottingen ; d. i 

 Heidelberg. Professor of Chemistry at Heidelberg 



1837-40. "Organic Compounds of Arsenic" and " Investiga- 

 tions in the Cacodyl series " (Klassiker, No. 27) 

 (describes the compounds of the radical cacodyl, 

 As(CH 3 ) 2 or AsC 2 H 6 ) 



1842. " Use of Carbon in the Voltaic Battery." The Bunsen 

 battery 



1854. Volumetric Methods 



1855. "Photochemical Investigations" (with H. E. Roscoe) 



" Preparation of Lithium" 

 1857. Gasometry (tr. Roscoe, 1857) 

 1860-61. "Chemical Analysis by Spectral Observations" 



(with Kirchhoff). Discovery of caesium. The 



spectroscope. Discovery of rubidium 

 1866. " Flame-reactions " (in book-form, 1880). The Bunsen 



burner, 395 ; specific heat of indium, 475 

 1868. " Washing of Precipitates." The water filter-pump 

 1870. " Calorimetric Investigations." The ice-calorimeter 



CAHOURS, AUGUSTS (1813-1891) 



1847. Variation of vapour-density with temperature, 522 

 CANNIZZARO, STANISLAO, b. 1826, Palermo ; d. 1910, Rome. 

 Professor of Chemistry at Genoa, Palermo and Rome 



1857. Abnormal vapour-densities explained by dissociation, 



521 



1858. " Sketch of a Course of Chemical Philosophy given in 



the Royal University of Genoa" (A.C.R. XVI II). 

 Hydrogen as a standard of molecular weights, 343 ; 

 method of determining atomic weights, 347 ; atomic 

 weights of hydrogen, 347, oxygen, 348, chlorine, 

 nitrogen, 349, sulphur, carbon, 350, phosphorus, 

 arsenic, and mercury, 351 ; formulae of volatile 

 compounds, 352 ; molecular heats of compounds, 367 



