488 



GENERAL INDEX. 



[10 



CHEMISTRY— 



Lithium, preparation, Warren, 3, 

 243. 



— and beryllium, Borchers, 3, 151. 



— ammonium, etc.. Moissan, 8, 384. 



— and calcium with ammonium, 

 Moissan, 7, 65. 



Lucrum, Barriere, 2, 378. 



Manganese, estimation of, Gooch 

 and Austin, 5, 209 ; Austin, 5, 

 382 ; oxidation of, Gooch and 

 Austin, 5, 260 ; determination as 

 pyi-ophosphate, Gooch and Aus- 

 tin, 6, 233. 



— carbide, Moissan, 1, 392. 

 Melting point and critical tempera- 

 ture, relation, Clarke, 2, 299. 



Mercuric antinionide, 10, 75. 

 Mercury in the colloidal condition, 

 8, 384. 



— determination as mercurous oxa- 

 late, Peters, 9, 401. 



— titration by sodium thiosul- 

 phate, Norton. 10, 48. 



Metallic hydroxides, preparation by 

 electrolysis, Lorenz, 3, 244. 



Metals, diffusion, Roberts- Austen, 

 3, 147; "excited" Wislicenus, 

 3, 244 ; preparation by means of 

 aluminum, Goldschmidt, 7, 154. 



Metargon, Dewar, 6, 360, 361 ; 9, 62. 



Methane and air, explosion by elec- 

 tric current, Couriot and Meunier, 

 7) 236. 



Molecular mass of solid substances, 

 Traube, 6, 95 ; determined by 

 the boiling point, Walker and 

 Lumsden, 6, 429. 



Molybdenum, estimation iodomet- 

 rically, Gooch, 3, 237 ; 6, 168. 



Molybdic acid, iodometric estima- 

 tion, Gooch and Fairbanks, 2, 156. 



Neodymium, Boudouard, 7, 157. 



Neon and Metargon, Bam say and 

 Travers, 6, 360 ; Ramsay, 9, 62. 



Nickel, extraction by the Mond 

 process, Roberts-Austen, 7, 64. 



— and cobalt, separation by hydro- 

 chloric acid, Havens, 6, 396 ; 

 separation, Browning and Hart- 

 well, 10, 316. 



Nitrates, presence in the air, Defren, 



3, 418 ; conversion into cyanides, 



of, Kerp, 4, 390. 

 Nitric acid, action upon potassium 



cobalti-cyanide, Jackson and Co- 



mey, 2, 82. 

 Nitrogen, absorption by carbon 



compounds, Berthelot, 4, 473 ; 



absorption by lithium, Desland- 



res, 1, 138. 



CHEMISTRY— 



Nitrogen gas, oxidation, Ravleigh, 

 3, 416. ' 



— pentasulphide, Muthmann and 

 Clever. 3, 480. 



Nitrons acid, action in a Grove cell, 

 Ihle, 3, 150. 



Oceanic salt deposits, formation of, 

 Van'tHoffandMeyerhoffer, 8, 73. 



Orthopia thalic acids, supposed two 

 forms, Howe, 1, 485 ; non-exist- 

 ence of two, Wheeler, 2, 449. 



Oxalic acid, titration, Gooch and 

 Peters, 7, 461. 



Oxygen, determination in air and in 

 aqueous solution, Kreider, 2, 361 ; 

 evolution during reduction, 5, 

 298. 



— and hydrogen, atomic weights, 

 Thomsen, 1, 316; occlusion, 

 Mond, Ramsay and Shields, 7, 

 468. 



— sulphur and selenium, series 

 spectra, 5, 145. 



Ozomolybdates, Muthmann and 

 Nagel, 8, 160. 



Ozone, boiling point, Troost, 6, 362 ; 

 properties, Ladenburg, 7, 310. 



Palladium, reduction in presence 

 of, Zelinsky, 7, 393. 



Permanganate, action on hydrogen 

 peroxide, Baever and Villiger, 10, 

 458. 



Peroxides, production of, Bach, 5, 

 68 ; Melikoff and Pissarjewsky, 

 8, 72. 



Persulphuric acid, formation, Elbs 

 and Schonherr, 3, 68. 



Petroleum, composition of Ameri- 

 can, Young, 7, 311 ; formation 

 of natural, Engler, 5, 300 ; normal 

 and iso-pentane from America, 

 Young and Thomas, 4, 319. 



Phosphorus in iron, determination, 

 Fairbanks, 2, 181. 



Platinum, fusibility. V. Meyer, 2, 

 81. 



— ■ and gold, solution in electrolytes, 

 Margueles, 7, 236. 



— and potassium, double halides, 

 Herty, 1, 315. 



Refraction, relation of, to density, 



Traube, 3, 479. 

 Refractivities of air, oxygen, etc., 



Ramsay and Travers, 5, 227. 

 Resorcinol, solution in ethyl alcohol, 



Speyers and Rosell, 10, 449. 

 Rotation angle, new substance for 



increasing, Walden, 5, 463. 

 Rubidium and its dioxide, Erdmann 



and Kothner, 3, 482. 



