ii. 241, 245, 246, 247

Pictet, i. 81, 129, 137; ii. 31, 241 Picton, ii. 223 Pierre, i. 452, 495; ii. 226, 485 Pierson, i. 93 Pigeon, ii. 377 Pionchon, i. 585 Pistor, i. 399 Plantamour, ii. 5 Plaset, ii. 289 Plessy, ii. 257 Plücker, i. 572 Poggiale, i. 427 Poiseuille, i. 355 Poleck, ii. 296 Poluta, ii. 30 Popp, ii. 232 Potilitzin, i. 96, 97, 98, 445, 486, 499, 502, 509, 612; ii. 29, 357 Pott, ii. 100 Poulenc, ii. 174, 289 Prange, ii. 422 Prelinger, ii. 310 Priestley, i. 17, 154, 159, 297, 379, 402 Pringsheim, i. 465 Prost, i. 98, 486 Prout, i. 31; ii. 439 Puchot, i. 452 Pullinger, ii. 389

Quincke, i. 427, 495

Rammelsberg, i. 430, 510, 525; ii. 26, 161, 485 Ramsay, i. 133, 140, 141, 232, 247, 333, 495, 496, 581; ii. 128, 491 Rantsheff, ii. 20 Raoult, i. 91, 274, 330, 331, 332, 429 Rascher, ii. 85 Raschig, i. 263; ii. 229 Rathke, i. 399 Ray, i. 17 Rayleigh, i. 226, 232, 491 Rebs, ii. 213, 217 Recoura, i. 332; ii. 289 Regnault, i. 40, 53, 54, 90, 93, 131, 133, 297, 443, 495, 584, 587, 588; ii. 50, 208, 238 Reich, ii. 91 Reiset, i. 238 Remsen, ii. 335 Retgers, ii. 157, 158, 180 Reychler, ii. 65 Reynolds, i. 581 Richards, i. 526, 585; ii. 32, 432 Riche, i. 509; ii. 127, 292 Richter, i. 193, 194; ii. 91 Ridberg, ii. 21, 24, 486 Riddle, i. 135 Rideal, ii. 297 Roberts-Austen, ii. 486 Robinson, i. 515 Rodger, ii. 213, 263 Rodwell, i. 17 Roebuck, i. 294 Röggs, ii. 119 Rohrer, ii. 343 Roozeboom, i. 106, 452, 453, 464, 496, 506, 511, 599, 613; ii. 3, 226, 341, 410 Roscoe, i. 80, 100, 101, 379, 452, 463, 485, 486, 568, 572; ii. 26, 194, 196, 197, 297, 303, 485 Rose, i. 436, 437, 518, 525, 608, 612; ii. 8, 230, 235, 248, 281, 363, 428, 485 Rosenberg, ii. 351 Rossetti, i. 428 Rouart, Le, ii. 86 Rousseau, i. 354; ii. 337, 366, 378 Roux, ii. 81 Rudberg, ii. 136 Rücker, i. 142 Rüdorff, i. 91, 428, 598, 601 Rybalkin, i. 455

Sabanéeff, i. 371 Sabatier, i. 284; ii. 66 Saint Edmé, ii. 335 Saint Gilles, i. 431 Sakurai, i. 331 Salzer, ii. 161 Sarasin, ii. 122 Sarrau, i. 140, 142 Saunders, ii. 189 Scharples, i. 576 Scheele, i. 155, 161, 412, 459, 462, 608; ii. 100, 150, 291 Scheffer, i. 453 Scheibler, ii. 292, 296 Scherer, ii. 8 Schiaparelli, ii. 318 Schidloffsky, i. 238 Schiloff, i. 212 Schlamp, i. 332 Schiff, i. 430, 588; ii. 106, 267 Schloesing, i. 238, 239, 240, 553, 610 Schmidt, i. 539 Schneider, i. 89 Schöne, i. 208, 209, 211, 394, 617; ii. 15, 72, 219, 251, 488 Schönebein, i. 198, 202, 208, 212, 509; ii. 228, 463 Schottländer, ii. 447 Schröder, i. 75 Schroederer, ii. 366 Schrötter, ii. 153, 284 Schützenberger, i. 511, 579; ii. 102, 107, 228, 367, 389 Schuliachenko, i. 608 Schuller, ii. 180 Schultz, i. 518; ii. 273 Schulze, i. 98; ii. 215 Schuster, i. 572 Schwicker, ii. 227, 230 Scott, i. 405, 537, 558 Sechenoff, i. 80, 86 Seelheim, ii. 379 Sefström, ii. 197 Selivanoff, i. 476, 507, 508 Senderens, i. 284 Serullas, i. 485 Setterberg, i. 576 Seubert, ii. 27, 83, 343, 442 Sewitsch, i. 372 Shaffgotsch, i. 555 Shapleigh, ii. 95 Shenstone, i. 611 Shields, i. 333 Shishkoff, i. 276; ii. 56 Silberman, i. 120, 172; ii. 259 Sims, ii. 268 Skraup, ii. 346 Smith, i. 271 Smithson, ii. 100 Snyders, ii. 100 Sokoloff, ii. 85, 122 Solet, i. 509 Sonstadt, ii. 443 Sorby, i. 88 Soret, i. 66, 202, 203, 427 Spring, i. 38, 98, 434, 486; ii. 45, 50, 133, 223, 258, 288, 314, 423, 427 Stadion, i. 485 Stahl, i. 16 Stas, i. 7, 233, 379, 428, 498, 581; ii. 420, 434, 485 Staudenmaier, ii. 168 Stcherbakoff, i. 97, 428, 458, 601 Stohmann, i. 359, 360, 396 Stokes, i. 355 Stortenbeker, i. 511 Stromeyer, ii. 47 Struvé, i. 208, 612

Tait, i. 203 Tammann, i. 91, 148; ii. 170, 247 Tanatar, i. 511 Tchitchérin, ii. 21 Terreil, ii. 313 Than, i. 317 Thénard, i. 207, 229, 460, 464, 534, 539; ii. 251 Thillot, ii. 170 Thilorier, i. 385 Thomsen, i. 111, 120, 124, 131, 173, 189, 267, 359, 389, 396, 441, 453, 466, 472, 494, 502, 515, 529, 555, 582; ii. 9, 32, 50, 55, 105, 165, 208, 224, 264, 368, 370, 438, 442 Thorpe, i. 142, 285, 445, 493; ii. 27, 160, 173, 213, 259, 263, 268, 301, 313, 442, 486 Thoune, i. 294, 295 Tiemman, i. 213 Tilden, i. 516 Timeraséeff, i. 170 Timoféeff, i. 78 Tessié du Motay, i. 158 Tissandier, i. 78 Titherley, i. 539 Tivoli, ii. 183 Tomassi, ii. 339 Topsöe, i. 506 Tourbaba, i. 88; ii. 247 Trapp, i. 511 Traubé, i. 312, 611; ii. 270 Troost, i. 64, 274, 281, 320, 409, 414, 500, 538; ii. 80, 83, 102, 147, 156, 254, 379 Tscherbacheff, i. 577 Tutton, i. 543; ii. 160, 174, 412

Umoff, i. 429 Unverdorben, ii. 280 Urlaub, ii. 301

Valentine, i. 17 Van der Heyd, i. 599 Van der Plaats, i. 496; ii. 438 Van der Waals, i. 82, 140 Van Deventer, i. 599 Van Helmont, i. 379 Van Marum, i. 198 Van't Hoff, i. 64, 65, 331, 599; ii. 3 Vare, ii. 55 Vauquelin, i. 114, 619; ii. 7 Veeren, i. 612; ii. 45 Veley, i. 279 Verneuille, ii. 225 Vernon, ii. 151 Vèzes, ii. 391 Viard, ii. 285 Vignon, ii. 126, 131 Villard, i. 106, 296, 297 Villiers, ii. 259 Violette, i. 342, 345 Violle, i. 301 Vogt, i. 611 Volkovitch, ii. 201 Voskresensky, i. 345

Waage, i. 439 Wachter, i. 508 Wagner, i. 357 Wahl, ii. 310 Walden, ii. 57 Walker, ii. 143 Walmer, i. 573 Walter, ii. 256 Walters, ii. 234 Wanklyn, i. 100, 539 Warburg, i. 589; ii. 496 Warder, i. 450 Warren, ii. 102 Watson, i. 527; ii. 169 Watts, i. 526 Weber, i. 280, 583; ii. 83, 129, 131, 186, 230, 233, 234, 249 Weith, i. 502 Weitz, ii. 57 Welch, ii. 425 Weller, ii. 146 Wells, i. 477, 545; ii. 57, 370 Welsbach, ii. 96, 97 Weltzien, i. 204, 595 Wenzel, i. 193 Weruboff (_see_ Wyruboff), ii. 4 Weselski, i. 507 Weyl, i. 255 Wheeler, i. 545 Wichelhaus, ii. 179 Wiedemann, i. 439, 588 Wilhelmj, ii. 315 Willgerodt, i. 508; ii. 29 Williamson, ii. 268 Wilm, ii. 376, 388 Winkler, i. 78, 79, 577, 594, 621; ii. 25, 30, 66, 97, 102, 124, 125, 147, 234, 246, 355, 483 Wischin, ii. 384 Wislicenus, i. 267, 294 Witt, ii. 3 Wöhler, i. 410, 619; ii. 85, 103, 107, 146, 285, 289, 420, 425 Wollaston, i. 8 Wreden, i. 507 Wright, ii. 321 Wroblewski, i. 79, 80, 106, 139, 387; ii. 226 Wülfing, ii. 119 Wülner, i. 91, 572 Würtz, i. 301, 476; ii. 171, 173, 213, 267 Wyruboff, ii. 4, 9

Young, i. 134, 136, 140, 141, 247, 495, 496

Zaboudsky, i. 354 Zaencheffsky, i. 140 Zimmermann, ii. 26, 303, 355, 485 Zinin, i. 276 Zörensen, i. 284 Zorn, i. 295

* * * * *

SUBJECT INDEX

Acid, acetic sp. gr. of solutions of, i. 59 -- arsenic, ii. 181 -- bismuthic, ii. 190 -- boric, ii. 64 -- carbamic, i. 408 -- chamber, i. 294 -- chloric, i. 482 -- chloroplatino-phosphorous, ii. 390 -- chlorosulphonic, ii. 268 -- chlorous, i. 481 -- chromic, i. 208; ii. 282 -- chromo-sulphuric, ii. 288 -- cyanic, i. 409 -- cyanuric, i. 409 -- dithionic, ii. 256 -- ferric, ii. 344 -- fluoboric, ii. 69 -- graphitic, i. 351 -- hydriodic, i. 501, 503, 505, 506 -- hydroborofluoric, ii. 69 -- hydrobromic, i. 80, 503, 505, 506 -- hydrochloric, i. 448, 451, 453 -- hydrocyanic, i. 406, 411 -- hydroferrocyanic, ii. 348 -- hydrofluoric, i. 49 -- hydrofluosilic, ii. 106 -- hydroplatinocyanic, ii. 386 -- hydrosulphurous, ii. 228 -- hydroruthenocyanic, ii. 388 -- hypochlorous, i. 479, 481 -- hyponitrous, i. 265, 294 -- hypophosphoric, ii. 161 -- hypophosphorous, ii. 172 -- iodic, i. 100, 508 -- isethionic, ii. 250 -- metantimonic, ii. 188 -- metaphosphoric, ii. 162, 169 -- metastannic, ii. 131 -- molybdic, ii. 292 -- nitric, i. 268, 272 -- Nordhausen, ii. 233 -- orthophosphoric, ii. 162 -- osmic, ii. 384 -- pentathionic, ii. 257 -- percarbonic, i. 394 -- perchloric, i. 484 -- periodic, i. 510 -- permanganic, ii. 313 -- permolybdic, ii. 297 -- pernitric, i. 264 -- persulphuric, ii. 251 -- pertungstic, ii. 297 -- phosphamic, ii. 179 -- phosphamolybdic, ii. 293 -- phosphorous, ii. 171 -- polysilicic, ii. 117 -- pyrophosphoric, ii. 169 -- pyrosulphuric, ii. 234 -- silenic, ii. 272 -- silicotungstic, ii. 295 -- stannic, ii. 130 -- sulphonic, ii. 249 -- sulphuric, i. 76, 77, 89, 111, 290, 294; ii. 235, 238, 241 -- telluric, ii. 272 -- tetrathionic, ii. 257 -- thiocarbonic, ii. 263 -- thiocyanic, ii. 263 -- thionic, ii. 255 -- thiosulphuric, ii. 230 -- trithionic, ii. 257 -- tungstic, ii. 292, 294 -- vanadic, ii. 196 Acids, i. 185 -- avidity of, i. 389, 442 -- basicity of, i. 387 -- complex, i. 197; ii. 293 -- fuming, i. 102 -- organic, i. 394, 396, 405 Acetylene, i. 372 Actinium, ii. 59 Affinity, chemical, i. 26, 389 Air, i. 131, 231, 233 Alchemy, i. 14 Alcohol, i. 53, 88 Alkali, metals, i. 558, 577 -- waste, ii. 204 Alkalis, i. 186 Allotropism, i. 207 Alloys, i. 537; ii. 128 Alumina, ii. 75 Aluminium, ii. 70, 85 -- bromide, ii. 84 -- bronze, ii. 88 -- carbide, ii. 88 -- chloride, ii. 80, 83 -- double chlorides, ii. 84 -- fluoride, ii. 83 -- hydroxide, ii. 75 -- iodide, ii. 85 -- nitrate, ii. 80 -- sulphate, ii. 82 Alums, ii. 5, 82, 343 Alunite, ii. 80 Amalgams, ii. 58 Amides, i. 258, 406 Amidogen, i. 258 -- hydrate, i. 258 Amines, i. 416 Ammonia, i. 229, 246 -- of crystallisation, i. 257 -- heat of solution of, i. 74 -- in air, i. 240 -- liquefaction of, i. 250 -- salts, i. 254 -- soda process, i. 524 -- solutions of, i. 80, 252 Ammonium, i. 254 -- amalgam, i. 255 -- bicarbonate, i. 527 -- carbamate, i. 407, 408 -- carbonate, i. 407 -- cobalt salts, ii. 359 -- dichromate, ii. 279 -- molybdate, ii. 292 -- nitrate, i. 273, 274 -- nitrite, i. 284 -- phosphates, ii. 167 -- sulphate, ii. 269 -- sulphide, ii. 218 Analogy of elements, i. 573, 578 Anthracite, i. 345 Antimoniuretted hydrogen, ii. 189 Antimony, ii. 186 -- chlorides, ii. 189 -- oxides, ii. 187, 188 -- sulphides, ii. 221 Aqua Regia, i. 467 Aqueous radicle, i. 213 Argon, i. 226, 232; App. III. Arsenic, ii. 179 -- anhydride, ii. 181 -- sulphides, ii. 221 -- tribromide, ii. 181 -- trichloride, ii. 180 -- trifluoride, ii. 181 Arsenious anhydride, ii. 184 -- oxychloride, ii. 180 Arsenites, ii. 185 Arseniuretted hydrogen, ii. 182 Astrakhanite, i. 59 Atmolysis, i. 156 Atomic theory, i. 216 -- volumes, ii. 33 -- weights, i. 21 Atoms and molecules, i. 322

Barium, i. 614, 617 -- chlorate, i. 483 -- chloride, i. 615 -- hydroxide, i. 616 -- metatungstate, ii. 295 -- nitrate, i. 615 -- oxide, i. 616 -- peroxide, i. 157, 160, 209, 617 -- sulphate, i. 614, 615 Bauxite, ii. 76 Benzalazine, i. 258 Berthollet's doctrine, i. 433 Beryllium, i. 618 -- atomic weight of, i. 325, 618 -- chloride, i. 584 -- oxide, i. 619 Binary theory, i. 195 Bismuth, ii. 189 -- nitrates, ii. 192 -- oxides, ii. 190, 191 Blast furnace, ii. 324 Bleaching, i. 469 -- powder, i. 162, 477 Boiling point, absolute, i. 130 Borates, ii. 63 Borax, ii. 61 Boric anhydride, ii. 64 Boron, ii. 60, 66 -- chloride, ii. 69 -- fluoride, ii. 67, 68 -- iodide, ii. 70 -- nitride, i. 227; ii. 67 -- oxide, ii. 60 -- specific heat of, i. 585 -- sulphide, ii. 62 Bromides, ii. 32 Bromine, i. 494 Bronze, ii. 127 Butyl alcohol, solubility of, i. 75

Cadmium, ii. 47 -- iodide, ii. 48 -- oxide, ii. 48 -- sulphide, ii. 47 Cæsium, i. 576 Calcium, i. 590, 604 -- carbonate, i. 592, 608, 609, 610 -- chloride, i. 237, 612 -- -- crystallohydrates of, i. 613 -- fluoride, i. 491 -- hypochlorite, i. 162 -- iodide, i. 604 -- peroxide, i. 607 -- phosphate, ii. 167 -- sulphate, i. 611 -- sulphide, ii. 220 Calomel, ii. 54 Carbamide, i. 409 Carbides, i. 349, 353 Carbon, i. 338 -- bisulphide, ii. 258 -- molecule of, i. 354 -- oxysulphide, ii. 264 -- tetrachloride, i. 473 Carbonic anhydride, i. 379 -- -- assimilation of by plants, i. 393 -- -- dissociation of, i. 392, 393, 399 -- -- in air, i. 238, 242 -- -- liquid, i. 385 -- -- solutions of, i. 80, 86 -- -- specific heat of, i. 393 Carbonic oxide, i. 396 -- -- and nickel, i. 405 Carborundum, ii. 107 Carboxyl, i. 395 Carnallite, i. 421, 544, 560 Catalytic phenomena, i. 211 Caustic potash, i. 550 -- soda, i. 529 Cements, ii. 122 Cerite metals, ii. 93 Cerium, ii. 93 Chamber crystals, i. 290; ii. 230 Charcoal, i. 343 Chemical change, rate of, ii. 314 -- transformations, i. 3 Chloranhydrides, i. 468; ii. 174, 175, 177 Chlorates, i. 482 Chlorides, i. 455, 466; ii. 31 Chlorine, i. 463 -- compounds, heat of formation of, i. 44 -- crystallohydrates of, i. 464 -- oxides, i. 479 -- preparation of, i. 460 -- solubility of, i. 463 Chloroform, i. 473 Chlorophosphamide, ii. 179 Chloryl compounds, i. 476 Chrome alum, ii. 283 Chromic acid, i. 208 -- anhydride, ii. 280 -- oxide, ii. 284, 285 Chromium, ii. 276, 289 -- chlorides, ii. 285 -- fluorides, ii. 280, 289 Chromyl chloride, ii. 281 Chryseone, ii. 108 Clay, ii. 70 Coal, i. 345 Cobalt, ii. 353 -- dioxide, ii. 366 -- fluoride, ii. 358 Cobaltamine salts, ii. 359 Cobaltic oxide, ii. 362 Cobalto-amine, ii. 359 Cobaltous hydroxide, ii. 358 Cohesion of liquids, i. 52 Coke, i. 345 Collodion cotton, i. 275 Colloids, i. 63; ii. 77, 423 Combination, chemical, i. 3 Combining weights, i. 21; ii. 439 Combustion, imperfect, i. 341 -- heat of, i. 172, 176, 399, 400 Compounds, definite and indefinite, i. 31 -- types of, ii. 10 Compressibility of solutions, i. 88 Conductivity, electro-molecular, i. 389 Contact reactions, i. 163, 290 Copper, ii. 400 -- carbonate, ii. 411 -- complex salts of, ii. 412 -- nitrate, ii. 411 -- nitride, ii. 409 -- sulphate, ii. 413 Corundum, ii. 75 Critical points, i. 141 Cryohydrates, i. 99 Cryoscopic investigations of solutions, i. 90, 332 Crystals, i. 51 Crystalline form, ii. 7 Crystallo-hydrates, i. 102 Crystalloids, i. 63 Cupellation, ii. 417 Cyanides, i. 406 Cyanogen, i. 406, 414 -- chloride, ii. 176

Decomposition, chemical, i. 4 Deliquescence, i. 104 Delta metal, ii. 414 Desiccator, i. 58 Detonating gas, i. 115, 170, 173 Depression of freezing point of solutions, i. 90, 92, 330 Dialysis, i. 63; ii. 114 Diamond, i. 350, 353 Didymium, ii. 93 Diffusion, rate of, i. 63 Dimorphism, i. 610, ii. 178 Disinfectants, i. 245 Disodium orthophosphate, ii. 166 Dissociation, i. 36, 282, 608 Distillation, dry, i. 4, 247, 342 Dust, atmospheric, i. 241

Efflorescence, i. 103 Ekacadmium, ii. 59 Ekasilicon, ii. 25 Electro-chemical theory, i. 195 Electric energy and thermal units, i. 582 Electrolysis, i. 116 Elements, i. 20 -- grouping of, ii. 1 -- typical, ii. 19 Emulsions, i. 98 Energy, chemical, i. 29 Equations, chemical, i. 278 Equivalents, law of, i. 194 Equivalent weights, i. 581 Ethane, i. 366 Ether, critical points of, i. 141 Ethylene, i. 370 Ethyl silicates, i. 104 Euchlorine, i. 484 Eudiometer, i. 169 Expansion, linear, of elements, ii. 31 Explosion, rate of transmission of, i. 171 Explosives, i. 275, 276

Felspar, ii. 122 Fermentation, i. 242 Ferric chloride, i. 558; ii. 340 -- hydrates, ii. 339 -- nitrate, ii. 340 -- orthophosphate, ii. 342 -- oxide, ii. 339 Ferrous chloride, ii. 335 -- sulphate, ii. 335 -- -- solubility of, i. 72 -- sulphide, ii. 210 Flame, i. 177, 179 Fluoborates, ii. 69 Fluorides, i. 491, 493 Fluorine, i. 203, 489 Fluorspar, i. 491 Formula, chemical, i. 151, 326 Freezing mixtures, i. 76 Fuel, calorific capacity of, i. 360 Furnace, electrical, i. 352 Fusco-cobaltic salts, ii. 360

Gadolinite metals, ii. 93 Gallium, ii. 88, 90 Gas, illuminating, i. 361 -- producers, i. 397 Gases, absorption of, i. 348 -- diffusion of, i. 83 -- expansion of, i. 133 -- liquefaction of, i. 134, 135, 137 -- measurement of, i. 78, 300 -- solution of, i. 68, 78, 86 -- theory of, i. 81, 83, 140 Germanium, ii. 26, 124 -- chloride, ii. 125 -- oxide, ii. 125 Glass, i. 123 -- soluble, ii. 110 Glauber's salt, i. 517 Glycols, ii. 117 Gold, ii. 442 -- alloys, i. 446, 447 -- chlorides, ii. 448, 450 -- colloid, ii. 447 -- cyanide, ii. 450 -- extraction of, ii. 444, 445 -- fulminating, ii. 450 -- oxides, ii. 448 -- refining, ii. 446 Graduators, i. 424 Graphite, i. 350, 351 Gros' salt, ii. 393 Guignet's green, ii. 285 Gunpowder, i. 557 Gypsum, i. 593, 611

Halogens, i. 445, 487, 499 Halogen compounds, heat of formation of, i. 494, 502; ii. 32 -- -- boiling-points of, i. 502 Hausmannite, ii. 10 Helium, i. 570; ii. 498 Hemimorphism, ii. 9 Homeomorphism, ii. 8 Homologous compounds, i. 358 Humus, i. 344 Hydrates, i. 109, 185 Hydrazine, i. 258 Hydrides, i. 621; ii. 23 Hydrocarbons, i. 355, 359 Hydrogen, i. 123, 129, 130, 142, 143, 146 -- pentasulphide, ii. 217 -- peroxide, i. 207, 312 Hydrosols, i. 98 Hydroxyl, i. 192, 213 Hydroxylamine, i. 262 Hypochlorites, i. 481 Hyponitrites, i. 294

Imides, i. 258 Indium, ii. 27, 37, 88, 97 Iodates, i. 509 Iodides, ii. 32 -- of nitrogen, i. 507 Iodine, i. 320, 321, 496, 497, 498 -- chlorides of, i. 511 Iodosobenzol, i. 508 Iridious oxide, ii. 382 Iridium, ii. 382 Iron, i. 585; ii. 317, 322 -- and carbonic oxide, ii. 345 -- cast, ii. 325 -- nitride, ii. 346 -- ores, ii. 319 -- sulphate, ii. 335 Isethionic acid, ii. 250 Isomorphism, i. 203, 368; ii. 1, 4, 8

Kaolin, ii. 70

Lakes, ii. 77 Lanthanum, ii. 93 Laughing gas, ii. 297 Law of Avogadro-Gerhardt, i. 309 -- -- Berthollet, i. 445 -- -- Boyle and Mariotte, i. 132 -- -- combining weights, i. 221 -- -- Dulong and Petit, i. 584 -- -- equivalents, i. 194 -- -- even numbers, i. 357 -- -- Gay Lussac, i. 133, 304, 307 -- -- Guldberg and Waage, i. 441 -- -- Henry and Dalton, i. 78 -- -- indestructibility of matter, i. 6 -- -- Kirchoff, i. 568 -- -- limits, i. 357 -- -- maximum work, i. 120 -- -- multiple proportions, i. 109, 214 -- -- partial pressures, i. 82 -- -- periodic, ii. 17 -- -- phases, ii. 410 -- -- reversed spectra, i. 568 -- -- specific heats, i. 584 -- -- substitution, i. 260, 365 -- -- volumes, i. 304 Lead, ii. 134 -- acetate, ii. 137 -- carbonate, ii. 140 -- chloride, ii. 139 -- chromate, ii. 136, 279 -- dioxide, ii. 142 -- nitrate, ii. 139 -- oxide, ii. 137 -- red, ii. 142 -- salts of, i. 491 -- tetrachloride, ii. 144 -- tetrafluoride, ii. 144 -- white, ii. 140 Leucone, ii. 107 Levigation, ii. 72 Light, chemical action of, i. 465 Lime, i. 605 Liquids, boiling points of, i. 135 Lithium, i. 574 -- carbonate, i. 575 Litharge, ii. 137 Litmus, i. 185 Lixiviation, methodical, i. 521 Luteocobaltic salts, ii. 359

Magnus' salt, ii. 392 Magnesia, i. 597 Magnesium, i. 590, 594 -- carbonate, i. 592, 602 -- chloride, i. 602 -- crystallohydrates of, i. 601 -- double salts of, i. 597 -- nitride, i. 595 -- silicide, ii. 102 -- sulphate, i. 600 Manganese, ii. 303 -- nitrides, ii. 310 -- oxides, ii. 306, 307, 308, 313 -- peroxide, i. 159; ii. 305 -- sulphate, ii. 307 Mass, influence of, i. 32, 436 Matches, ii. 154 Matter, primary, ii. 440 -- transmutability of, i. 14 Mercury, ii. 48 -- ammonia compounds, ii. 57 -- basic salts of, ii. 54 -- chlorides, ii. 52, 53, 54 -- compounds, heat of formation, ii. 50 -- cyanide, ii. 55 -- fulminating, ii. 56 -- iodide, ii. 55 -- nitrates, ii. 51 -- nitrides, ii. 56 -- oxides, ii. 53 -- sulphate, ii. 57 -- sulphides, ii. 221 Metalepsis, i. 28, 471 Metalloids, i. 23 Metals, i. 23 -- of alkaline earths, i. 64, 590, 591 -- of alkalis, i. 543 -- displacement of, ii. 427 Methane, i. 360 Moisture, determination of, in gases, i. 40 -- influence upon reaction, i. 403 Molecular volumes, ii. 37 -- weight and boiling point, i. 331 -- -- -- coefficient of refraction, i. 336 -- -- -- latent heat, i. 329 -- -- -- specific gravity of solutions, i. 335 -- -- -- surface tension, i. 334 Molecules, i. 319, 322 Molybdates, ii. 292 Molybdenum, ii. 290 -- anhydride, ii. 291 -- fluo-compounds, ii. 298 -- sulphides, ii. 297 Monophosphamide, ii. 178 Monosodium orthophosphate, ii. 167 Morphotropy, ii. 10

Naphtha, i. 373, 377 Nascent state, i. 33, 145, 146 Neodymium, ii. 97 Nickel, ii. 353 -- alloys, ii. 367 -- and carbonic oxide, ii. 367 -- fluoride, ii. 358 -- hydroxide, ii. 358 -- oxide, ii. 365 -- sulphate, i. 97; ii. 359 -- tetra-carboxyl, ii. 367 Niobium, i. 199; ii. 194, 198 Nitrates, i. 273 Nitres, i. 268, 555 Nitric anhydride, i. 280 -- oxide, i. 286 Nitrides, i. 227, 258, 620 Nitriles, i. 406 Nitrites, i. 284 Nitro-cellulose, i. 275 Nitro-compounds, i. 274 Nitrogen, i. 223, 225, 475 -- chloride, i. 476 -- iodide, i. 507 -- oxides of, i. 267, 280, 284, 294, 295 -- sulphide, ii. 270 Nitro-prussides, ii. 351 Nitroso-compounds, i. 288 Nitrosulphates, ii. 229 Nitrosyl chloride, ii. 176 Norwegium, ii. 59

Occlusion, i. 143 Olefiant gas, i. 370 Organo-metallic compounds, i. 356 Osmium, ii. 372, 382, 384 Osmotic pressure, i. 64 Osmuridium, ii. 383 Oxamide, i. 406 Oxidation, i. 16 Oxides, i. 183; ii. 36 Oxycobaltamine salts, ii. 359 Oxygen, i. 152, 157, 158, 163 -- compounds, heat of formation of, i. 120, 466 Ozone, i. 198, 229

Palladium, ii. 369 -- hydride, i. 143; ii. 380 Palladous chloride, ii. 379 -- iodide, ii. 379 Paracyanogen, i. 414 Paramorphism, ii. 9 Parasulphatammon, ii. 269 Peat, i. 344 Peligot's salt, ii. 281 Percentage composition, i. 326 Perchloric anhydride, ii. 282 Periodates, i. 510 Permanganic anhydride, ii. 313 Permolybdates, ii. 297 Peroxide, chloric, i. 484 Peroxides, i. 159; ii. 15, 23 Perstannic oxide, ii. 133 Persulphates, ii. 253 Petroleum, i. 373 Phenol, solubility of, i. 75 Phlogiston, i. 17 Phosgene gas, ii. 175 Phospham, ii. 178 Phosphides, ii. 157 Phosphine, ii. 158, 160 Phosphonium iodide, ii. 159 Phosphoric anhydride, ii. 161 Phosphorous anhydride, ii. 160 Phosphorus, ii. 149 -- ammonium compounds, ii. 178 -- chlorides, ii. 174 -- fluorides, ii. 173 -- iodides, i. 505, 506; ii. 172 -- oxychlorides, ii. 175 -- sulphides, ii. 213 -- sulphochloride, ii. 213 -- thermo-chemical data for, ii. 153 Phosphuretted hydrogen, ii. 158, 160 Photography, ii. 431 Photo-salts, ii. 432 Plants, chemical reactions in, i. 547 -- and nitrogen, i. 230 Platinic chloride, ii. 377 -- hydroxide, ii. 379 Platino-ammonium compounds, ii. 391 -- chlorides, i. 467; ii. 378 -- cyanides, ii. 386 -- nitrites, ii. 390 -- sulphites, ii. 390 Platinous chloride, ii. 379 Platinum, ii. 376 -- alloys, ii. 373 -- black, ii. 376 -- metals, ii. 369, 375 -- oxide, ii. 378 Poly-haloid salts, i. 545 Polymerism, i. 207, 367 Polysulphides, ii. 217 Potassium, i. 544, 558 -- aurate, ii. 449 -- bromide, i. 550 -- carbonate, i. 549 -- chlorate, i. 161, 482 -- chloride, i. 72, 543 -- chromate, ii. 280 -- cyanide, i. 412, 551 -- dichromate, ii. 278 -- ferricyanide, ii. 346 -- ferrocyanide, i. 346, 412 -- hydrosulphide, ii. 219 -- hydroxide, i. 548 -- iodide, i. 550 -- manganate, ii. 310 -- nitrate, i. 553 -- oxides, i. 559 -- permanganate, ii. 311 -- stannate, ii. 133 -- sulphate, i. 72, 549 -- sulphide, ii. 219 -- telluride, ii. 274 Praseocobaltic salts, ii. 361 Praseodidymium, ii. 97 Proteid substances, i. 224 Prout's hypothesis, ii. 439 Prussian blue, i. 419; ii. 349 Purpureocobaltic salts, ii. 361 Purpureotetramine salts, ii. 361 Pyrocollodion, i. 275 Pyronaphtha, i. 375 Pyrosulphuryl chloride, i. 321; ii. 235

Reactions, chemical, i. 3 -- -- conditions for, i. 34 -- -- contact, i. 39 -- -- endothermal, i. 30 -- -- exothermal, i. 30 -- -- limit of, i. 437 -- -- rate of, ii. 152 Recalescence, ii. 333 Reduction, i. 16 Refraction equivalent, i. 336 Regenerative furnaces, i. 398 Reiset's salts, ii. 394 Respiration, i. 152, 154, 387 Rhodium, ii. 381 Rock salt, i. 421 Roseocobaltic salts, ii. 360 Rosetetramine salts, ii. 361 Rubidium, i. 576 Ruthenium, ii. 372, 382, 384

Sal-ammoniac, i. 248, 318, 457 -- solubility of, i. 458 -- vapour density of, i. 317 Salts, i. 187, 419 -- acid, i. 193, 533 -- basic, i. 193, 533; ii. 54 -- double, i. 598 -- electrolysis of, i. 191 -- heat of formation, i. 189 -- melting points of, i. 135 -- pyro, i. 193 -- theory of, i. 193 Saponification, i. 530 Scandium, ii. 94 Selenium, ii. 273 -- chlorides, ii. 275 Selenious anhydride, ii. 271 Silica, i. 100; ii. 108 -- soluble, ii. 113 Silicates, i. 544; ii. 116 Silicon, ii. 99 -- chloride, ii. 103, 104 -- chloroform, ii. 103 -- bromide, ii. 104 -- fluoride, ii. 105 -- hydride, ii. 102, 103 -- iodide, ii. 105 -- iodoform, ii. 105 Silver, ii. 418 -- allotropic varieties of, ii. 421 -- bromide, ii. 429 -- chlorate, ii. 437 -- chloride, ii. 429 -- cyanide, ii. 433 -- fluoride, ii. 430 -- fulminating, ii. 426 -- hyponitrite, i. 294 -- iodide, ii. 429 -- nitrate, ii. 426 -- nitrite, i. 284 -- orthophosphate, ii. 164 -- oxides, ii. 424 -- peroxide, ii. 422 -- plating, ii. 434 -- soluble, ii. 420 -- subchloride, ii. 432 Slags, ii. 323 Smalt, ii. 354 Soaps, i. 531 Soda ash, i. 519 -- caustic, i. 527 -- manufacture of, i. 459 -- waste, i. 522 Soda lime, i. 237 Sodamide, i. 539 Sodium, i. 513, 533 -- alloys, i. 559 -- amalgams, i. 537 -- bicarbonate, i. 526 -- carbonate, i. 519, 525 -- -- crystallohydrates of, i. 108 -- -- manufacture of, i. 523 -- -- solutions of, i. 525 -- chloride, i. 419 -- -- double salts of, i. 430 -- -- solutions of, i. 88, 99, 429 -- hydride, i. 537 -- hydroxide, i. 528, 529 -- -- solutions of, i. 529 -- nitrate, i. 269 -- -- solutions of, i. 72 -- organo compounds of, i. 540 -- oxides, i. 540, 541 -- phosphates, ii. 166 -- platinate, ii. 378 -- pyrosulphate, i. 518 -- sesquicarbonate, i. 526 -- stannate, ii. 133 -- subchloride, i. 540 -- sulphate, i. 513 -- -- acid salt, i. 518 -- -- crystallohydrates of, i. 515 -- -- solutions of, i. 73, 515, 516 -- sulphite, ii. 226 -- thiosulphate, ii. 230 -- -- solutions of, i. 74 -- tungstate, ii. 294 Soils, i. 344; ii. 73 Solubility, coefficient of, i. 67, 71 Solutions, i. 330 -- aqueous, i. 59 -- boiling points of, i. 94, 100 -- crystallisation of, i. 427 -- colour of, i. 95 -- diffusion of, i. 61, 429 -- of double salts, i. 599 -- formation of ice from, i. 91, 428 -- heat of formation of, i. 74, 75, 76 -- of gases, i. 68 -- isotonic, i. 64 -- saturated, i. 65 -- specific gravity of, i. 429, 584 -- supersaturated, i. 96 -- theory of, i. 64, 89, 92, 97, 106, 215, 323, 608; ii. 3, 164 -- vapour tension of, i. 90, 92 -- volumes of, i. 87 -- Specific heat, i. 585, 586, 588 Spectra absorption, i. 566 Spectrum analysis, i. 560, 561 Stannic chloride, ii. 132 -- fluoride, ii. 132 -- oxide, ii. 130 -- sulphide, ii. 132 Stannous chloride, ii. 130 -- oxide, ii. 129 -- salts, ii. 129 Steam, vapour tension of, i. 54 Steel, ii. 327, 328, 330 Strontium, i. 615 -- chloride, i. 615 -- hydroxide, i. 615 -- nitrate, i. 615 -- oxide, i. 617 Substitution chemical, i. 5 Sulphamide, ii. 270 Sulphatammon, ii. 269 Sulphates, ii. 248 Sulphides, i. 98; ii. 213 Sulphonitrites, ii. 229 Sulphoxyl, ii. 250 Sulphur, ii. 200 -- chlorides of, ii. 264 Sulphuretted hydrogen, ii. 208 Sulphuric anhydride, ii. 232 -- peroxide, ii. 251 Sulphurous anhydride, ii. 224 Sulphuryl chloride, ii. 268 Superphosphates, ii. 168

Tantalum, ii. 194, 198 Tellurium, ii. 274 -- bromide, ii. 275 -- chlorides, ii. 275 Tellurous anhydride, ii. 271 Temperature, critical, i. 131 Test papers, i. 185 Thallium, ii. 88, 91 Thallic oxide, ii. 93 Thallous hydroxide, ii. 92 -- oxide, ii. 92 Thiocarbonates, ii. 262 Thionyl chloride, ii. 267 Thiophosgene, ii. 262 Thiophosphoryl fluoride, ii. 263 Theory, atomic, i. 216 -- unitary, i. 195 -- vortex, i. 217 Thermochemistry, i. 173 Thorium, ii. 148 Tin, ii. 125 -- alloys, ii. 127 Titanium, ii. 144 -- chloride, ii. 145 -- nitride, ii. 146 -- nitrocyanide, ii. 146 -- oxides, ii. 145 Tripoli, ii. 110 Trisodium orthophosphate, ii. 166 Tungstates, ii. 292 Tungsten, ii. 290 -- anhydride, ii. 291 -- nitride, ii. 297 -- sulphide, ii. 297 Turnbull's blue, ii. 350 Types of combination, ii. 10

Ultramarine, ii. 84 Uranium, ii. 30, 297 -- atomic weight of, ii. 26 -- dioxide, ii. 301 -- oxides, ii. 298 -- tetrachloride, ii. 301 Urano-alkali compounds, ii. 298 Uranyl, ii. 301 -- ammonium carbonate, ii. 300 -- nitrate, ii. 300 -- phosphate, ii. 300 Urea, i. 409

Valency of elements, i. 404, 418, 581 Van der Waal's formula, i. 82, 140 Vanadic anhydride, ii. 196 Vanadium, ii. 194 -- oxychloride, ii. 195 Vapour density, determination of, i. 301 Ventilation, i. 244 Viscosity, i. 355 Volumes, molecular, ii. 4 -- gases, i. 300

Water, i. 40 -- composition of, i. 114, 118, 148, 169, 305, 333 -- compressibility of, i. 53 -- of constitution, i. 109 -- of crystallisation, i. 95, 510 -- dissociation of, i. 118 -- expansion of, i. 53 -- gas, i. 129, 400, 401 -- hard, i. 47 -- hygroscopic, i. 56 -- mineral, i. 45 -- rain, i. 43 -- river, i. 43 -- sea, i. 46 -- specific heat of, i. 52 -- -- gravity of, i. 50 -- spring, i. 44 Wave lengths, i. 564 Wood, i. 339

Ytterbium, ii. 93 Yttrium, ii. 93

Zinc, ii. 39 -- ammonia-chlorides, ii. 41 -- chloride, ii. 40, 41 -- compounds, heat of formation of, ii. 51 -- oxide, ii. 39, 40 -- sulphate, ii. 39 Zirconium, ii. 146 -- chloride, ii. 147 -- hydroxide, ii. 147 -- oxide, ii. 147

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