192 INDEX. 



monial, 32. Of a cupreous sulphuret of lead and antimony, 

 34. Of bismuth and copper, 8(5. 



Sulphurets, experiments on the composition of the alkaline, xiv. 

 209. To determine if the hepar formed in the dry way is a 

 sulphuret of an oxide or of a metal, ib. On the different pro- 

 portions in which potassium can combine with sulphur and sul- 

 phuretted hydrogen, 213. Combinations of sulphuretted hy- 

 drogen with potash, 215. Formation of hepars in the humid 

 way, 419 



produced from sulphates, experiments on, xv. 147 



I experiments on, resulting from the reduction of sul« 

 phates by means of charcoal, xvi. 100 



of carbon and ammonia, on the re-action of, xviii. 149 



Sulphuretted hydrogen, preparation of, xvii. 165. Inflammation 

 of, by nitric acid, 3S0 



Sulphuric acid, mistake of M. Vauquelin concerning, corrected, 

 i. 70 



■ experiments to determine the law of progres- 



sion, followed in its densities, at different degrees of dilution, 

 with several new tables, iv. 114 



. action of, on animal substances, ix. 392. Its ac- 



tion on alcohol, and the new acids thereby formed, 395 



experiments on, xi. 3SG 



account of a supposed new metal from the resi- 



duum of, xii. 315. Cause of its high price in England, con- 

 trasted with that manufactured in France, 355 



action of, on muriates, xiii. 146 



on the fixedness of, xv. 383 



. of Nordhausen, researches on, xviii. 145 



hygrometrical indications by, xix. 34*6, (Anhy- 



drous), new production of, 345 



■ hygrometric property of, xx. 400 



Sulphuric ether, effects of inhaling, iv. 15S 

 Sulphurous acid, liquefaction of, xviii. 39 1 

 Sun, rays of, effects on magnetism, viii. 383 



