524 
CHEMISTRY— 
Oxygen, hydrogen and nitrogen, 
densities, Rayleigh, vii, 234. 
in illuminating gas, vi, 478. 
for lime light, Hepworth, v, 
158. 
line spectrum, Hisig, vii, 479. 
liquid, optical properties, vi, 
69, 393; spectrum of, Olszewski, 
ii, 338. 
two-fold spectra, Baly, ix, 468. 
and air, liquefied, properties, 
Dewar, iv, 419. 
Ozone, formation at high temper- 
atures, Brunck, vi, 475; from 
oxygen, Shenstone and Priest, vi, 
094; produced by rapid combus- 
tion, Ilosvay, ii, 8389 ; production, 
Frolich, iii, 150. 
Pentahalides, alkali-metal, iv, 42. 
Perchlorates, Kreider, 1, 287. 
Perchloric acid, preparation, etc., 
Kreider, ix, 448. 
Persulphates, crystallized, Marshall, 
iii, 69. 
Petroleum in its relations to as- 
phaltic pavements, Peckham, vii, 
8 
Phenanthrene as a solvent in cryo- 
scopic determinations, Garrelli 
. and Ferratini, vii, 282. 
Phenol, coefficient of molecular de- 
pression, Juillard and Curchod, 
ive 12: 
Phosphoric acid, basicity, Berthe- 
lot, ili, 582. 
oxide, preparation of pure, 
Shenstone and Beck, vi, 70. 
Phosphorus, conversion of yellow to 
red, Retgers, vii, 475 ; preparation 
by the action of aluminum upon 
the phosphates, Rossel and Frank, 
viii, 68. 
Platinochlorides and platinum sub- 
chlorides, Lea, viii, 397. 
Platinum, polarization by oxygen 
and hydrogen, Markofsky, iii, 531. 
Potassium determined spectroscop- 
ically, Gooch and Hart, ii, 448. 
permanganate in iron analysis, 
Roberts, viii, 290; and sulphuric 
acid, interaction, Gooch and Dan- 
ner, iv, 301. 
and lead, peculiar 
Wells, vi, 190. 
and sodium carbonyls, Joannis, 
vii, 318. 
Precipitated membranes, 
ability, Tammann, v, 202. 
Precipitates, separation of, at the 
surface-bounding electrolytes, 
Ktimmell, v, 157. 
halides, 
perme- 
GENERAL 
INDEX. [10 
CHEMISTRY— 
Quicklime, inertness, Veley, vi, 300. 
Quinite, Baeyer, iv, 252. 
Rotatory power of liquids, effect of 
temperature on, Aignan, vi, 392. 
Rubidium determined by the spec- 
troscope, Gooch and Phinney, iv, 
392. ° 
lead halides, etc., Wells, vi, 34. 
and potassium trihalides, Wells 
and Wheeler, iii, 475. 
Salt-solutions, rise ‘of, in filter 
papers, Fischer and Schmidmer, 
v, 431; temperature of steam 
from boiling, Sakurai, iv, 496. 
Sarcolactic acid produced by the 
fermentation of inactive lactic 
acid, Frankland and MacGregor, 
vii, 74. 
Selenic acid, reduction by hydro- 
chloric acid, Gooch and Evans, 
1, 400. 
reduction by potassium bro- 
mide in acid solution, Gooch 
and Scoville, 1, 402. 
Selenious acid determined by potas- 
sium permanganate, Gooch and 
Clemons, 1, 51. 
Selenium, reduction of the acids 
of, by hydriodic acid, Gooch and 
Reynolds, 1, 204. 
Silica, volatilization of, Oramer, 
vi, 299. : 
Silicon, new form, Warren, ii, 423. 
carbide, crystallized, Mihl- 
haiiser, vii, 477. 
Silver, allotropic, Lea, i, 179, 259, 
482; ii, 312; Prange, i, 325. 
chlorides, Lea, iv, 444, 446. 
haloid molecule, disruption of, 
Lea, iii, 527. 
hemisulphate, Lea, iv, 822. 
hyponitrite produced from hy- 
droxylamine, Wislicenus, vii, 72. 
metallic,solutions, Lea, viii,343. 
notes on, Lea, iv, 444. 
oxide, estimation and dehy- 
dration of, Lea, iv, 249. 
solutions of metallic, Lea, viii, 
343. | 
and alkali-metals, double hal- 
ides of, Wells and Wheeler, iv, 155. 
Sodium, preservation, Rosenfield, 
i 70, 
Sodium-amine, etc., Joannis, i, 515. 
Solubility, law of, applied to solu- 
tions of salts, Linebarger, ix, 48. 
Solution and pseudo-solution, Lin- 
der and Picton, ix, 467. 
Solutions, nature of certain, and 
new means of investigating them, 
Lea, v, 478. 
