516 



PRINCIPLES OF CHEMISTRY 



POT 



Potassium 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 



man to 'anate, 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 

 Purpureo-cobaltic salts, ii. 361 

 Purpureo-tetramine 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 

 Eecalescence, ii. 333 

 Reduction, i. 16 

 Refraction equivalent, i. 336 

 Regenerative furnaces, i. 399 

 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 



SALAMMONIAC, 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 



Salts, 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, ii. 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 

 Sodamide, i. 539 

 Soda lime, i. 237 

 Sodium, L 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 



