486 



GENERAL INDEX. 



[8 



CHEMISTRY. 



in zinc materials, Buchanan, 



42, 430. 

 Glucosane, Pictet and Castan, 50, 



392. 

 Glycerine, new source, 47, 225; 



preparation by fermentation, 



Schweiser, 47, 381. 

 Helium, see Helium. 

 Hydrocarbons, liquid, produc- 

 tion, Fischer, 41, 557. 

 Hydrofluoric and fluosilicic acids, 



Dinwiddie, 42, 421. 

 Hydrogen, desulphurizing- action 



on coke, Powell, 50, 463; 



ionization, Dempster, 42, 76. 



— peroxide, determination, Ja- 

 mieson, 44, 150. 



Hydrogenation, catalytic, Max- 

 ted, 47, 441. 



Hydrolysis of hypophosphoric 

 acid solutions, Van Name and 

 Huff, 45, 103. 



Hypophosphates, preparation, 

 Van Name and Huff, 46, 587. 



Indicator for bases and acids, 

 Chauvierre, 49, 299. 



Iodides, detection, Curtman and 

 Kaufman, 46, 614. 



Iodine, action of light upon, Bor- 

 dier, 42, 496. 



Iron, estimation of, Edgar and 

 Kemp, 45, 470; rotating re- 

 ductors in the determination, 

 Scott, 49, 77; spectrum, Hem- 

 salech, 43, 413; as thiocyanate, 

 estimation. Willstatter, 50, 392. 



Isotopes, see Isotopes. 



Lead, atomic weight, Richards 

 and Wadsworth, 43, 166; den- 

 sity of, from radioactive min- 

 erals, 41, 293. 



— isotopes, melting points, Rich- 

 ards and Hall, 50, 314; isotopic, 

 Clarke, 46, 764; forms of, 

 separation, Richards and Hall, 



43, 409. 



— supposed allotropic form, 

 Thiel, 50, 392. 



Lithium, separation from potas- 

 sium, etc., Palkin. 42, 496. 



Manganese, colorimetric deter- 

 mination, Willard and Great- 

 house, 44, 478; in soils, John- 

 son, 43, 410; electrolytic de- 

 termination of, Gooch and 

 Kobayashi, 44, 53. 



Mercury, critical temperature, 



CHEMISTRY. 



Bender, 41, 295; determination, 

 Jamieson, 47, 438. 



Metals, common, qualitative sep- 

 aration, Clarens, 42, 364; solu- 

 tion in ferric salts, Van Name 

 and Hill, 42, 301; specific heats 

 at low temperatures, Eastman 

 and Rodebush, 45, 327. 



Molecular frequency, Allen, 46, 

 544; volumes, 41, 294; weights, 

 apparatus for determining, 

 Chapin, 46, 613. 



Molybdenum, determination, Ja- 

 mieson, 43, 329. 



Neon, thermal conductivitjr, Ban- 

 nawitz, 41, 296. 



Nitrite, determination. Dienert, 

 47, 69; disodium, Maxted, 45, 

 142. 



Nitrogen, fixation, 43, 329; modi- 

 fication, Strutt, 42, 368. 



Nitrous acid, determination, 

 Laird and Simpson, 47, 382. 



Osmium, new reaction, Tschu- 

 gaeff, 46, 689. 



Paper pulp as a filter, Jodidi and 

 Kellogg, 41, 557- 



Paraffine, oxidation, Kelber, 50, 

 72. 



Perchlorate method, Gooch and 

 Blake, 44, 381. 



Periodic table, Hackh, 46, 481. 



Permanganate solution, Halver- 

 son and Bergeim, 45, 232. 



Phosphorous, etc. acids, estima- 

 tion, Van Name and Huff, 45, 

 91. 



Photographic phenomenon, Mc- 

 Arthur and Stewart, 49, 146. 



Platinum wire in bead and flame 

 tests, Kiplinger, 49, 449. 



Potash in Alsace, Kestner, 47, 

 68; cobalti-nitrite method for 

 the determination of, Haff and 

 Schwartz, 45, 71; from cement 

 mills, Merz, 45, 232; from 

 feldspar, 41, 143; from green- 

 sand, Charlton, 45, 142; from 

 kelp, Higgins, 46, 764; from 

 sea water, Hildebrand, 45, 231-; 

 salts in the United States, 

 Ruhm, 50, 315; volatilization 

 from cement, Anderson and 

 Nestell, 43, 329- 



Potassium, recovery from min- 

 eral silicates. Frazer, etc., 44, 

 398; volumetric method, Ajon, 

 41, 142; iodate titrations, Ja- 



