44G 



GENERAL INDEX. 



[10 



CHEMISTRY. 



Clilorine, determination, Gooch 

 anil Read. 28, 544. 



Chromic and vanadic acids, es- 

 timation, Edgar, 26, 333. 



Chromium, estimation of, Gooch 

 and Weed, 26, 85; new variety 

 of, Jassonneix, 24, 81; ther- 

 mal constants, Mixter. 26, 131. 



Cobalt with carbon monoxide, 

 Hirtz and Cowap, 26, 575. 



— and nickel, heat of forma- 

 tion of oxides of, Mixter, 30, 



193- 



Cobalti-nitrite method, Drushel, 



26, 329. 



Colloidal solutions, formation 



from metals, Svedberg, 29, 



187. 

 Columbium and tantalum, Foote 



and Langley, 30, 393, 401. 

 Copper, determination, Gooch 



and Heath, 24, 65. 



— metallic, behavior toward 

 gases, Sieverts and Krumb- 

 haar, 30, 412. 



— volumetric method for, 

 Jamieson, 26, 92. 



— oxalate in analysis, Gooch 

 and Ward, 27, 448. 



Crystallization, explosive, Wes- 

 ton, 27, 82. 



Cupric chloride, gases evolved 

 by action on steel, Goutal, 



27, 485- 



Cuprous sulphate, Recoura, 28, 



74- 

 Cyanogen, synthesis of, Wallis, 



21, 464. 



Dithionic acid, analysis, Ashley, 



22, 259. 



Dye, purple, of the ancients, 

 Friedliinder, 29, 262. 



Esters, esterification, etc., 

 Phelps, Tillotson, Eddy, Pal- 

 mer, Smillie, 26, 243, 253, 257, 

 264, 267, 275. 281, 290, 296. 



— of halogen substituted acids, 

 Drushel and Hill, 30, 72. 



Ferric chloride in the zinc re- 



ductor, Randall, 21, 128. 

 Ferrocyanides, Browning and 



Palmer. 23, 448. 

 Ferrous salts, compounds with 



nitric oxide, 23, 222. 

 Fluorides, interference with 



precipitations of alumina, 



Hinrichsen, 24, 79. 



CHEMISTRY. 



l'"lu()rine. estimation iodometri- 

 cally, Hileman. 22, 383. 



Formamide. preparation, Phelps 

 and Deming, 24, 173. 



Gas mixtures, explosion limits 

 of certain, Teclu, 23, 459. 



Gold, colorimetric determina- 

 tion, Maxson, 21, 270; dis- 

 tillation, Moissan, 21, 171; 

 solubility in hydrochloric acid, 

 Awerkiew, 27, 261. 



Grape sugar, determination, 21, 

 325- 



Halogen compounds, combus- 

 tion of, Robinson, 22, 345. 



Halogens in benzol derivatives, 

 use of metallic potassiui;n, 

 Maryott, 30, 378. 



— in organic compounds, deter- 

 mination, Chablay, 23, 305; 

 Stepanow, 23, 142; Vaubel 

 and Schauer, 21, 396. 



Helium, gas containing, Cody 

 and McFarland, 24, 497; Erd- 

 mann, 29, 549. 



— • liquefaction, Oimes, 30, 413. 



• — preparation. Jacquerod and 

 Perrot, 23, 304. 



— production from radium, 

 Dewar, 26, 575; from uranium, 

 Soddy, 27, 262. 



— and thorium, Strutt, 25, 146. 

 Hydrates in aqueous solution, 



Jones. 23, 305. 



Hydriodic acid, rapid prepara- 

 tion, Bodroux, 21, 326. 



Hydrocarbons, decomposition 

 of gaseous, Kusnetzow, 24, 



374- 

 Hydrochloric acid, decomposi- 

 tion, Gooch and Gates, 28, 



435- 

 and potassium permanga- 

 nate, interaction, Brown, 21, 



Hydrogen, determmation of, 

 Paal and Hartmann, 29, 458. 



— antimonide, action upon 

 dilute silver solutions, Reckle- 

 ben, 28, 74. 



— chloride, action of light upon, 

 Coehn and Wassiljewa, 29, 



79- 



— phosphide, Matignon and 

 Trannoy, 27, 337- 



— silicides, Lebeau, 27, 404. 



