522 GENERAL INDEX. [8 
CHEMISTRY— CHEMISTRY— 
Chlorine, properties of liquid, 
Knietsch, i, 153. 
Chloroform, effect of low tempera- 
tures, Pictet, ix, 150. 
Chromium, manganese and uranium 
in the electric furnace, Moissan 
and Violle, vii, 78; prepared by 
means of magnesium, Glitzel, 
i, 1538; separation from iron and 
aluminium, Riggs, viii, 409. 
Coal dust explosions, Thorpe,iv, 250. 
gas flames, luminosity, Lewes, 
av; 70. 
Compounds containing lead and 
extra iodine, Wells, 1, 21. 
Compressibility of hydrogen, oxy- 
gen, nitrogen, Amagat, i, 512. 
Copper, chemical equivalent, Beach, 
vi, 
crystals in ‘‘aventurine glass,” 
Washington, viii, 411. 
separation from 
Browning, vi, 280. 
sulphate, electrolysis, in vacuo, 
Gannon, ix, 58. 
Cryohydric temperatures, Schreine- 
makers, vii, 282. 
Cupric chloride solutions, relations 
of to heat, Reicher and Van De- 
venter, i, 66. 
Cyanogen, structure of the flame, 
Smithells and Dent, viii, 424. 
Dextrine and gum arabic, molecular 
masses, Linebarger, iii, 426. 
Diammonium, Curtius, ix, 56. 
Diamond, production artificially, 
Moissan, viii, 68. 
Di-ethyl hydrazine, Harries, ix, 151. 
Dihydroxytartaric acid as a reagent 
for sodium, ix, 313. 
Electrolysis of alkali salts, Arrhe- 
nius, vii, 72; of a liquid, indirect, 
Andreoli, 1, 344; by alternating 
currents, Hopkinson, Wilson, and 
Lydall, viii, 66; of steam, Thom- 
son, vii, 315. é 
Electrolytic gas, temperature of 
ignition, Freyer and V. Meyer, 
v, 156. 
Elements, genesis of, Crookes, i, 429. 
Endothermic decompositions ob- 
tained by pressure, Lea, vi, 418; 
reaction effected by mechanical 
force, Lea, vi, 241. 
Energy as a dimensional unit, Ost- 
wald, v, 201; loss due to chemi- 
eal union, Gore, v, 520. 
Ethane and propane, Hainlen, ix, 
149. 
Ethyl ether, preparation of, Krafft, 
vii, 479. 
cadmium, 
Explosive mixtures, temperature of 
ignition of gaseous, Meyer and 
Miinch, vii, 315. 
Ferrous iron in silicates, Pratt, viii, 
149. 
Fluorine, free, produced by chemi- 
cal means, Brauner, viii, 423. 
physical properties, ’ Moissan, 
iii, 149, 429. 
Fluosulphonic acid, Thorpe and 
Kirman, v, 2952. 
Freezing points of very dilute solu- 
tions, Raoult, v, 67. 
Fusing points, high, V. Meyer, Rid- 
dle and Lamb, ix, 228. 
Gases, separation by electric dis- 
charge, Baly, vi, 296. 
Gaseous hydrocarbons, heats of 
combustion, Berthelot and Matig- 
non, vii, 74. 
Gravi-volumeter, Japp, iii, 149. 
Halogens, determination in mixed 
silver salts, Gooch and Fairbanks, 
12%. 
Heat, influence on chemical reac- 
tions, Lemoine, vii, 233. 
of combustion of nitrogenous 
animal products, Berthelot and 
André, i, 66. 
of fusion and solubility, Walker, 
i, 65. 
re-conversion of, into chemical 
energy, Naumann, v, 155. 
Helium, Ramsay, Collie and 
Travers, 1, 259. «¢ ~ 
compound nature of, from cle- 
veite, Runge and Paschen, 1, 413. 
line, wave length of the Ds, 
Palmer, 1, 357. 
spectrum, Crookes, 1, 302. 
Hydrate of sodium trioxide, Tafel, 
ix, 148. 
Hydrazine, inorganic preparation, 
Duden, ix, 311. 
hydrate, Curtius and Schulz, 
ii, 257. 
Hydrazoic acid, Curtius and Raden- 
hausen, i, 427. 
Hydrogen, occlusion by lead, New- 
mann and Streintz, iii, 088 ; 
physical constants, Olzewski, ix, 
469; reaction of, ‘with chlorine 
and oxygen, Harker, v, 349; effect 
on electrical properties of pal- 
ladium, Brucchietti, vii, 396. 
and oxygen, relative densities, 
Rayleigh, iv, 418. 
peroxide, anhydrous, Wolffen- 
stein, ix, 229; in the atmosphere, 
Bach, viii, 67; in the electrolysis 
of sulphuric acid, Kuriloff, vi, 70 ; 
