A treatise on chemistry. Vol. 1, The non-metallic elements / by Sir H.E. Roscoe & C. Schorlemmer ...
- Henry Enfield Roscoe
- Date:
- 1881
Licence: Public Domain Mark
Credit: A treatise on chemistry. Vol. 1, The non-metallic elements / by Sir H.E. Roscoe & C. Schorlemmer ... Source: Wellcome Collection.
Provider: This material has been provided by University of Bristol Library. The original may be consulted at University of Bristol Library.
786/792 (page 770)
![Tridymite, 567 Tiihydrouyauic acid, 664 Trimorphism, 744 Triiiclieras, hot springs at, 248 Trioxide, application of the term, 90 Trisilicates, 573 Trithionic acid, 352 Troost, absorption of hydrogen by metal, 105, 107 ; iodine, 155 Tangsten, atomic weight, 52 Turf, 602 Tuscany, boric acid in the lagoons of, 549 Turin crystals, 709 Tyndall, sulphur dioxide, 311 ; atmo- spheric organic matter, 455 Typhoid-fever, produced by impni'e water, 251 U. TJllswater, Lake, water of, 254 Unit volumes of gases, 69 Unverdorben, arsenic trifluoride, 523 Uranium, atomic weight of, 52 Urea, 647 ; its preparation, 648 ; salts of, 649 ; estimation of, 650 ; artifi- cial, 39 Urine, phosphorus in, 459 V. Valentine, Basil, his chemical re- searches, 7, 124; ammonia, 378, aqua regia, 412; arsenic, 516, 524; fire-damp, 607 Vanadinite, isomorphism of, 741 Vanadium, atomic weight of, 52, 54 Van Helmont, his chemical researclies, 9, 41, 622 Van Marum, ozone, 194 Vapours and gases, 74, 77 Vapour densities, abnormal 97 Vapour, tension of liquid, 78 Vapour, mercury, molecules of, 71 Vapour, phosphorus, molecules of, 71 Vapour of water and ice, 77 Vauquelin, phosphorus, 460 ; cai'bon disulphide, 641 ; cyanic acid, 670 ; isomorphism, 739, 744 Velocities of dill'usion of gases, 84 Ventilation, 456 ; of mines, 609 Venus, the ancient name of cojiper, 88 Vermin poison, phosphorus used as, 462 ^^'suvius, hydrochloric acid gas in ex- halation from, 125 Vibration, weighing by, 59 Vi(!hy, hot springs at, 248 Villanovanns, Arnold, 6 Violette, properties of charcoal, 592 Vital actions and chemical phenomena, 60 Vitriol, manufacture of, 320 Vitruvius, his belief in the pressure of the atmosphere, 435 Vivianite, phosphorus in, 459 ■ Volcanoes, 125, 341, 551, 608, 623 Volta on marsh gas, 607 Voltameter, 208 Volumes, combining laws of, 69 Volumetric analysis of air, 443, 451 VV. Wackenroder, discovery of penta- thionic acid, 353 Wad, or Borrowdale black lead, 584 Wagner, gra])liite, 585 Wall-papers, arsenical, 520 Wallace, arsenic trichloride, 522 Walterhausen, S. von, boric acid, 551 VS'^altire, his chemical researches, 19 Wanlclyn, water analysis, '253 Wanklyn and Kobinson, phosphorus pentachloride, 482 Ward's patent for manufacturing sul- phuric acid, 319 Warrington, boric acid, 551 AVashing soda, 234, 235 Water, 202; its formation, 203 ; eu- diometric synthesis, 204 ; synthesis by volume, 208 ; by weight, 212; volumetric composition of steam, 210 ; propei-ties, 223 ; expansion and contraction, 224, 228 ; density, 224 ; volume and specific gravity at dif- ferent temperatures, 225 ; latent heat, 225 ; heat of liquidity, 226 ; freezing-point, 226; melting-point of ice, regelation, 227 ; freezing of sea-water, 228 ; latent heat of steam, 229 ; frozen by its own evaporation, 230 ; tension of aqueous vapour, 231 ; at different temperatures, 232 ; water as a solvent, 232 ; freezing mixtures^ 233 ; water of crystalliza- tion, 234 ; cryohydrates, 235 ; ab- sorption of gases by water, 236 ; natural waters, 241; purification ot water, 242 ; gases dissolved in, 243 ; analysis of Thames water, 244 ; rain-water, 246; spring-water, 247 ; hard and soft water, 249 ; organic constituents of water, 251 ; results of analyses, 253 ; river waters, 255 ; sea water, 256 ; sulphuric acid in, 341 ; hot springs, 569 ; Cavendish, Watt, and Lavoisier, discoveries of, 20, 30 Water gas, 70 Water and bromine, 145 Water and chlorine, 122 Watson, Bishop, coal gas, 683 Watt, James, on the composition of water, 21 Wavelliti', phosphorus in, 459 Weber, K., sulj)liur sesquioxide, 318](https://iiif.wellcomecollection.org/image/b21449016_0786.jp2/full/800%2C/0/default.jpg)