4-48 



GENERAL INDEX. 



[l-'i 



CHEMISTRY. 



I'otassiuiii aluminium sulphate, 

 Gooch ami Oshorno. 24, 167. 



— atomic weight. Kicharcis and 

 Staehler. 23, 61. 



— as thecobalti-nitrite, Drushel, 

 24. 433- 



— estimation in animal Ihiids, 

 Drushel, 26, 555. 



— ferricyanide in alkaline solu- 

 tions. Palmer, 30, 141; in esti- 

 mation of arsenic, etc., Pal- 

 mer. 29, 399. 



— percarhonate, Riesenfeld and 

 Reinhokl, 29, 188. 



— salts, radiation, Plenriot, 27, 

 486. 



Prussian blue, Miiller and 

 Stanisch, 27, 403. 



Radiimi. see Radium. 



Salts, titration of mercurous, 

 Randall, 23, 137. 



Selenious acid, volumetric de- 

 termination. Marino, 29, 189. 



Selenium, electric properties, 

 Ries, 27, 338. 



Silicon fluoride, alkalimetric es- 

 timation, Hileman, 22, 329. 



• — fluoroform, Ruff and Allsert, 

 21, 247. 



— and silicon carbide, combus- 

 tion, Mixter, 24, 130. 



Silver, detection of minute quan- 

 tities, Whitby, 30, 79. 



— determination as chromate, 

 Gooch and Bosworth, 27, 241. 



— electro chemical equivalent, 

 Van Dijk, 21, 326. 



— use in determination of 

 molybdenum, etc., Perkins, 29, 

 540. 



— iodometric determination of, 

 Bosworth, 28, 287; Gooch and 

 Bosworth, 27, 302. 



— nitrogen, etc., atomic weight, 

 Richards and Forbes, 24, 439. 



— sulphate and dichromate, 

 crystals. Van Name and Bos- 

 worth, 29, 293. 



— vapor, molecular weight, 

 Wartenberg, 21, 463. 



Sodium alum. Smith, 28, 553. 



— cassium, etc., detection, Ball, 

 29, 360. 



— hypobromite. use of, Pozzi- 

 Escott, 29, 551. 



— and potassium, liquid alloys, 

 Jaubert, 27, 260. 



24, 



'y 



CHEMISTRY. 



Solid substances, vaporization 

 of, Zenghelis, 23, 6r. 



Succinic acid, use of, Phelps 

 and Hubl)ard, 23, 211; esteri- 

 lication, Phelps and Hubbard, 

 23, 368. 



Sulphates, determination, Mit- 

 chell and Smith, 29, 361. 



Sulphur, determination, Berger, 

 23, 221; Ilintz and Weber, 21, 



324. 



— vapor-tension, Gruener, 



497- 

 Sulphuric acid, purification 



freezing, Morance, 28, 75. 

 Tantalum, atomic weight, Hin- 



richsen and Sahlbom, 22, 4;9; 



see Columbium and Niobium. 

 Tellurium, atomic weight, Baker 



and Bennett, 25, 146. 



— complexity of, Browning and 

 Flint, 28, 347; Flint, 30, 209. 



— separation, Brauner and 

 Kuzma, 24, 373. 



— dioxide. Browning and Flint, 

 28, 112. 



Tellurous and telluric acids, 



Berg, 21, 248. 

 Thallium, estimation. Browning 



and Palmer, 27, 379. 

 Thorianite, new element in, 



Evans, 25, 521. 

 Thorium, see Thorium. 

 Tin, heat of oxidation, Mixter, 



27, 229. 

 "Tin infection," von Hasslinger, 



27, 83. ... 



Titanium, volumetric estimation 

 of, Newton, 25, 130. 



— niobium, etc., separation, 

 Weiss arid Landecker, 28, 493. 



— oxide, heat of formation, 

 Mixter, 27, 393. 



— solutions, peroxidized, Mer- 

 win, 28, 119. 



— tetrachloride, Vigouroux and 

 Arrivant, 23, 382. 



— trichloride, Knecht and Hib- 

 bert, 25, 80. 



Trisodium orthophosphate, etc., 

 Mixter, 28, 103. 



Tungstic and silicic oxides, sep- 

 aration, Defacqz, 27, 186. 



Uranium, see Uranium, also 

 Radio-activity, Radium. 



— silicide, Defacqz, 27, 186. 

 Urano-uranic oxide, McCoy, 26, 



521. 



