550 BIOGRAPHICAL INDEX 



1852. "New Series of Organic Bodies containing Metals." 

 Combining-power of N, P, As, Se, 435 ; combining- 

 power variable, 442 



1855. Vapour-density of zinc ethyl, 361 



1857. (Frankland and Kolbe.) Quadrivalency of the double 

 carbon atom C 2 , 436 



1864. Vapour-density of zinc methyl, 361 

 FRIEDEL, CHARLES 



1888. Vapour-density of ferric chloride, 361 



GAY-LUSSAC, Louis JOSEPH, b. 1778, Limousin ; d. 1850, 

 Paris. Professor of Chemistry at the Ecole Polytechnique and 

 of Physics at the Sorbonne ; Professor of Chemistry at the 

 Jardin des Plantes. 



1802. "Dilatation of Gases and Vapours." Expansion by 



heat, 327 



1805. "Ratio of the Constituents of the Atmosphere," by 

 Gay-Lussac and Humboldt. Combining volumes of 

 hydrogen and oxygen, 330 



1807. " Decomposition of Sulphates by Heat," 169 

 1809. " Memoir on the Combination of Gaseous Substances 

 with each other." The law of Volumes, 334 ; ex- 

 plained by the atomic theory, 335 ; multiple pro- 

 portions in gases, 306, 325 ; combination of ammonia 

 with acids, 331 ; composition of nitric oxide, 195, 

 nitrous oxide and nitrogen peroxide, 332 ; of am- 

 monia, sulphuric anhydride, and carbonic anhydride, 



331 

 1811. Physico- Chemical Researches, by Gay-Lussac and 



Thenard, includes : 



(a) 1808. Preparation and properties of potassium, 275, and 

 sodium, 279 ; formation of peroxides by burning 

 potassium and sodium, 283 ; preparation of boron 

 and silicon, 288 



(b} 1809. Pure hydrofluoric acid, 234 ; muriatic acid contains 

 hydrogen, 215 ; combination of hydrogen and 

 chlorine, 216 ; chlorine not decomposed by charcoal, 

 219 ; muriatic acid as a hydrate of the muriatic 

 radical, 222 



(c] 1 8 10. Organic analysis, 390 

 1811. Anhydrous prussic acid, 244 



1813 "On Iodine" (Klassiker, No. 4), with an appendix on 



-14. "Acidity and Alkalinity." Iodine an element, 238 ; 



hydriodic acid and the iodides, 239 ; nitrogen iodide, 



2 39 5 hydracids, 246, 247 ; hydrochloric acid, 218 ; 



hydrofluoric acid, 235 ; hydriodic acid, 239 : analogy 



