5 66 



SUBJECT INDEX 



Air, composition of, 191 



condensation of, 324 



density of, 67 



dephlogisticated, 40 



diminished by breathing, 34 

 by phosphorus, 43 

 by rusting iron, 43 

 by sparking, 189 



elastic force of, 322 



eminently respirable, 40 



factitious, 65 



fixed, 50 



goodness of, 74 



inflammable, 66 



-measure, Priestley's, 74 



nitrous, 72 



phlogisticated, 31 



-pump, Boyle's, 32 



rarefaction of, 324 



spring of the, 320 



vital, 40 



Alchemistic Period, i 

 Alcohol, action of sulphuric acid 

 on, 154 



analysis of, 387, 388 



chlorination of, 408 



oxidation of, 412 



purification of, 387 



structure of, 401 



vapour-density of, 401 

 Aldehyde, 412, 438 

 Alkaline air, 82 



decomposed, 257 



earths as oxides, 280 



decomposed by electric 



current, 281 

 Alkalis, 3 



caustic, 53, 54 



mild, 53, 54 



regarded as elements, 257 

 Allotropy, 101 

 Alum, 288 

 Alumina, 60, 288 

 Aluminium, 288 



chloride, dissociation of, 361, 



380 



Alums, isomorphism of, 370 

 Amalgam from ammonia, 265 

 Amber, 6 

 Amide-radical, 401 



Amines, primary, secondary, 



and tertiary, 423 

 Ammonia, 57 



composition of, 263 

 decomposed by electric cur- 

 rent, 265 



by sparking, 258, 262 

 dissociation of, 517 

 gas collected by Priestley, 82 

 inflammable, 258 

 oxidised by calx of gold, 259 

 by " manganese," 258 

 by nitric acid, 261 

 properties of, 83 

 solid, 287 

 supposed to contain oxygen, 



264 



Ammonium, 267 

 amalgam, 265 

 carbamate, 269, 519 



structure of, 430 

 chloride, 267 



a molecular compound, 442 

 dissociation of, 528 

 hydroxide, 287 

 nitrate, decomposition of, 79 

 oxide, 287 



salts, vapour-densities of, 519 

 Amphi-salts, 247 

 Analysis, qualitative, 512 



quantitative, 512 

 Anhydrides of organic acids, 419, 



432 



Aniline, 433 



Apparatus for calcining metals 

 in air over mercury (Lav- 

 oisier), 34 



for collecting gas from red 

 lead and charcoal (Lavoisier) , 

 96 

 for combining nitric oxide and 



oxygen (Gay-Lussac) , 196 

 for combustion of carbonic 



oxide (Stas), 152 

 of graphite and diamond 



(Dumas and Stas), 149 

 of hydrogen and oxygen 



(Cavendish), 114 

 of hydrogen and oxygen 

 (Morley), 131, 132 



