INDEX. 



525 



Fluoboric gas, i. 159. Atomic weight 

 of, i. 160. Specific gravity of, ii. 

 179. 



Fluoborates of ammonia, ii. 180. 

 Fluoric acid, atomic weight of, ii. 1 66, 



170. 



Fluorine, ii. 182. 



Flwosilicic acid, atomic weight of, ii. 

 174. 



composition of, ii. 175. 

 Formic acid, atomic weight of, ii. 149. 

 constituents of, ii. 150. 

 formation of, ii. 151. 

 properties of, ii. 149. 

 Fuming liquor of Libavius, L 404. 



Gadolinite analyzed, i. 330. 



Gases, relation between the atomic 



weight and specific gravities of, i. 



241. 

 Gay-Lussac, M., account of his theory 



of volumes, i. 18. 

 Glucina, atomic weight of, i. 318. 

 Glucinum, atom of, i. 326. 

 Gold, atomic weight of, i. 439, 443. 



H 



Harmotome analyzed, i. 291. 



Hedenbergite, i. 179. 



Homberg's attempts to analyze salts, 



i. 1. 

 Hydrate of alumina, i. 315. 



columbic acid, ii. 79. 

 protoxide of chromium, ii. 



51. 



yttria, i. 330. 

 Hydriodic acid, i. 92. 

 Hydrogen, atom of, i. 73. Should not 

 be made unity, i. 13. 



Hydrogen gas, specific gravity of, i. 67. 

 Hydrosulphuret of antimony, ii. 46. 



lodic acid, i 93. 

 Iodide of azote, i. 123. 



potassium, i. 90. 

 zinc, i. 91. 



Iodine, atomic weight of, i. 89. 

 specific gravity of, i. 88. 

 Iridium, atomic weight of, i. 473, 476. 

 Iron, atomic weight of, i. 343, 348. 



persalts of, ii. 327. 



protosalts of, ii. 318. 



diprotarseniate of, ii. 322. 



persesquinitrate of, ii. 328. 



persesquiphosphate of, ii. 330. 



persesquisulphate of, ii. 327. 



pertetrasulphate of, ii. 328. 



pertrisphosphate of, ii. 332. 



protacetate of, ii. 323. 



protocarbonate of, ii. 32O. 



protonitrate of, ii. 31 8. 



protophosphate of, ii. 321. 



protosulphate of, ii. 318. 



prototartrate of, ii. 325. 



protoxalate of, ii, 325. 

 Iserine, ii. 97. 



K 



Karpholite, composition of, i, 288. 

 Kermes mineral, ii. 46. 

 Knebelite analyzed, i. 187. 



Lead, atomic weight of, L 395. 

 salts of, ii. 367. 

 acetate of, ii. 373. 

 arseniate of, iL 370. 



