7] 



VOLUMES XLI-L. 



485 



CHEMISTRY. 



Acetates, tests for, Curtman and 

 Harris, 44, 332. 



Acetylene, colorimetric determi- 

 nation, Weaver, 41, 463. 



Acidimetry of colored solutions, 

 Tingle, 47, 69. 



Alkalimetry, yellow mercuric 

 oxide as standard, Incze, 44, 



479- 

 Alloys, reactive, Ashcroft, 49, 



Aluminium, determination, Blum, 



42, 432. 



Ammonia, new method for esti- 

 mating, Foxwell, 42, 74. 



Ammonium chloride as food for 

 yeast, Hoffman, 43, 246. 



Aqua regia, action on gold-silver 

 alloys, 50, 315. 



Argon, atomic weight, Leduc, 47, 



134. 



Arsenate, lead-chlor, McDonnell 

 and Smith, 42, 139. 



Arsenic and Antimony, com- 

 pounds of, Morgan, 46, 615. 



— in organic compounds, esti- 

 mation, Ewins, 45, 72. 



— Pearson's method, modifica- 

 tions of, 48, 391. 



Atomic weights, report of Inter- 

 national Committee, 49, 78; as 

 integers when O = 16, 4g, 212. 



Atoms, complex, Harkins, 45, 

 141; intermolecular transposi- 

 tions, von Hevesy and Zech- 

 meister, 50, 314; and molecules, 

 electrons in, Langmuir, 48, 69. 



Barium from brines, Skinner and 

 Baughman, 43, 246. 



— and strontium, separation, 

 Gooch and Soderman, 46, 538. 



Bismuth oxychloride, solubility, 

 Noyes, Hall and Beattie, 45, 



71. 



Boric acid in determination of 

 ammonia, Scales and Harrison, 

 49, 443- m 



Cadmium iodide solutions, ioniza- 

 tion, Van Name and Brown, 

 44, 453- 



Caesium chloride salts, Jamieson, 



43, 67. 



— etc., separation, Browning and 

 Spencer, 42, 279. 



Calcium tartrate, crystallization, 



Chattaway, 42, 497. 

 Carbohydrates and the gluco- 



sides, Armstrong, 50, 464. 



CHEMISTRY. 



Carbon, activation, Chaney, 49, 

 212; atomic weight, Batuecas, 

 47, 69; detection, Mueller, 45, 

 73; Penfield test, Mixter and 

 Haigh, 43, 327. 



— monoxide, free, in kelp, Lang- 

 don, 43, 165. 



Carbonates, alkali determination, 



Dubrisay, Tripier, and Toquet, 



47, 296. 

 Cerium, determination, Lenher 



and Meloche, 41, 217. 

 Chlorides in presence of thiocya- 



nates, 42,, 498. 

 Chlorine, free, new reagent, L. 



Roy, 43, 80. 

 Cobalt, new volumetric method, 



Engle and Gustavson, 42, 431; 



43, 328, 



Colloidal, Colloids. See CHEM. 



WORKS. 

 Copper and iron, determination, 



Edgar, 41, 462; Ley, 45, 470. 

 Copper sulphate, basic, Young 



and Stearn, 42, 497. 



— test for, Lyle, Curtman and 

 Marshall, 41, 463. 



Cupferron in analysis, Lundell 



and Knowles, 49, 376. 

 Cyanamide, preparation, Werner, 



44, 478i. 

 Dialkylphosphoric and benzene- 



disulphonic acids, preparation, 

 Drushel and Felty, 43, 57- 



Electrolytic analysis, Gooch and 

 Kobayashi, 43, 391. 



Esters from substituted aliphatic 

 alcohols, Drushel and Ban- 

 croft, 44, 371. 



Fluorine, Gautier and Claus- 

 mann, 42, 364; determination, 

 Gooch and Kobayashi, 45, 370; 

 in soluble fluorides, Dinwiddie, 



42, 464. 



Gallium, electrolysis, etc., Brown- 

 ing and Uhler, 42, 389; Uhler, 



43, 81; separation, Browning 

 and Porter, 44, 221; 49, 213; 

 from U. S. spelter, Hillebrand 

 and Scherer, 41, 367. 



Gallium-indium alloy, Browning 

 and Uhler, 41, 351. 



Gases, see Gases. 



Gasoline, etc., manufacture, Ritt- 

 man, Dutton and Dean, 41, 462. 



Germanium, detection, Brown- 

 ing and Scott, 44, 313; 46, 663; 



