11] 



VOLUMES XXI-XXX. 



447 



CHEMISTRY. 



Iodides and free iodine, deter- 

 mination, Bugarsky and Hov- 

 rath, 28, 408. 



— and iodates. Moody, 22, 379. 

 lodimetry, standards in, 26, 143. 

 Iodine, determination of free, 



Gooch and Perkins, 28, 33. 

 Ionium, see Ionium. 

 Iron in copper alloys, Gregory, 



25, 449-. 

 — ■ detection of small quantities, 



Mouneyrat, 22, 79. 

 — • estimation of, Gooch and 



Newton, 23, 365; Newton, 25, 



343- 



— group, distillation of metals, 

 Moissan, 21, 397. 



— hydrolysis of salts of. Moody, 

 22, 76. 



— rusting of, 21, 78. 



— and copper, quantitative re- 

 agent, Biltz and Hodtke, 30, 



79- 



— and vanadium, estimation, 

 Edgar, 26, 79. 



Iron-cyanogen compounds, 

 cause of color, 21, 78. 



Lanthanum, estimation, Drushel, 

 24, 197. 



Lead, electrolytic estimation, 

 Gooch and Beyer, 27, 59. 



— and silver compounds, heat 

 of formation, Colson, 28, 76. 



Lithium in radio-active miner- 

 als, McCoy, 25, 346. 

 Lutecium, Urbain, 25, 146. 

 Magnesium metasilicate, 22, 385. 



— separation, Browning and 

 Drushel, 23, 293; Gooch and 

 Eddy, 25, 444. 



Malonic acid, esferification, 

 Phelps and Tillotson, 26, 243, 

 257, 267. 



Manganese, electrolytic estima- 

 tion, Gooch and Beyer, 27, 59. 



— as a fertilizer for plants, Ber- 

 trand, 21, 248. 



— higher oxides of, Meyer and 

 Rotgers, 25, 257. 



— magnetic compounds with 

 boron, Wadekind, 24, 80. 



— and cobalt, atomic weight, 

 Baxter and Hines, 23, 383. 



— and the periodic law, Rey- 

 nolds, 25, 256. 



Mercuric chloride, double salts, 

 Foote and Levy, 22, 458. 



CHEMISTRY. 



Mercury peroxide, Von Antro- 



poff, 25, 520. 

 Mesothorium, Hahn, 24, 79. 

 Metals, action on fused caustic 



soda, LeBlanc and Bergmann, 



29, 361. 



— and dissolved halogens, 

 velocities of reactions. Van 

 Name and Edgar, 29, 237. 



Meteoric alloys, structure of, 



Guertler, 30, 413. 

 Methyl alcohol, detection, Deni- 



ges, 29, 550. 

 Molybdenum, etc., formation of 



the oxides, Mixter, 29, 488. 



— preparation of fused, Biltz 

 and Gartner, 22, 540. 



Molybdic acid, behavior, Ran- 

 dall, 24, 313. 



Niobium, Schulze, 25, 452; and 

 tantalum, separation, Warren, 



22, 520; see Columbium. 

 Nitric oxide, thermal formation, 



Fischer and Marx, 22, 344. 

 Nitrogen, oxidization of, War- 

 burg and Leithauser, 22, 462. 



— properties of liquid, Erd- 

 mann, 22, 78. 



— trioxide. Baker, 25, 145. 



— utilization of atmospheric, 

 Frank, 26, 509. 



Nitrous and nitric acids, deter- 

 mination, Weisenheimer and 

 Heim, 21, 170. 



Organic substances, mechanical 

 separation, Bordas and Tour- 

 plain, 21, 398. 



Ozone, see Ozone. 



Petroleum, crude, diffusion 

 through Fuller's earth, 30, 412. 



Phosphorescent elements, Ur- 

 bain, 25, 256. 



Phosphorus, organic com- 

 pounds, Berthaud, 23, 459. 



— in phosphor tin, Gemmell 

 and Archbutt, 26, 399. 



— white, Llewellyn, 25, 257. 

 Percarbonates, Wolffenstein and 



Peltner, 25, 450. 

 Platinum amalgam, Moissan, 



23, 459- 



— group, boiling of metals of, 

 Moissan, 21, 325. 



— wire, substitute for, Kirby, 

 29, 551- 



Polonium, see Polonium. 

 Polyiodides of potassium, etc., 

 Foote and Chalker, 26, 92. 



