1084 



INDEX. 



Orpiment, 630. 

 Osmic acid, 692. 

 Osmium, 691, et seq. 



chlorides and oxides of 691, 692. 



Oxalates 142, 932. 

 Oxalic acid, 931. 



ether, and compounds derived from 



it, 7 19. 



Oxamide, 411. 

 Oxichlorides, 362. 

 Oxides of antimony, 637. 



carbonic, 931. 



ferrous, 555. 



of hydrogen, 98. 



of mercury, formiate of the suboxide 



and, 831. 



molybdic, 620. 



molybdous, 620. 



nitric, 286. 



nitrous, 283. 



of potassium, 142. 



stannic, 603. 



stannous, 600. 



protoxide, deutoxide, peroxide, ses- 



quioxide, tritoxide and suboxide, defined 



98. 



composition of, 107. 



of ethyl in the form of sulphates 



arseniate, nitrate, carbonate &c., with 



other substances, 774, 775. 



[V* For many of the Oxides see the 

 metals, &c., nominatim.] 

 Ox-bile, 1045. 

 Oxygen, 142. 



its class, 142. 



binary compounds of, 100. 



acid salts 167, 179. 



affinity of metals for, 186. 



absorption of, by alcohol, 715. 



and nitrogen of atmospheric air, 279. 



action of free. 712. 



Oxygenated water, 159. 



Paints, see colouring matters. 

 Palladium, the metal, 686. 



protoxide, &c., of, 687. 



nitrate, peroxide, and bichloride of, 



688. 



Palladous compounds, 687. 



Palm oil, 956 



Palmitic acid, 957. 



Palmitfhe, 957. 



Pancreatic juice, its agency, 1044. 



Papaver somniferum, 937, 974, 976. 



Paracyanogen, 989. 



Paraffin, 838. 



Paramorphine, 979. 



Paranaphtaline, 846. 



Paratartaric or racemic acid, 950. 



Paratartrates, salts denominated, 950. 



Pectin, of, 881. 



Pendulum rod of clocks, 3. 



Periote (olivine or chrysolyte), 509. 



Peroxide of iron, 560. 



Peroxides of metals, 138, 153. 



Persulphates of iron, 565. Double per- 

 sulphate of iron and sulphate of potash, 

 565. 



Peruvian bark, 979. 



Perspiration, human, 1055. 



Pepsin, a peculiar animal principle, 1030. 



acetate of, 1032. 



hydrochlorate of, 1032. 



Petalite, 521. 



Petrifactions, calcareous, 497. 

 Phloretic acid, 876. 

 Phloretin, 876. 



Phloridzin and the bodies derived from it, 



Phlor'izein, 875. 



Phosphates, see the various substances 



nomination. 



Phosphates, tribasic,f!68. Earthy, 1014. 

 Phosphorescent light of certain sub- 

 stances, 748. 

 Phosphoric acid, 137, 346. 



1- hydrates of, 346, 736. 



hosphorous and hypo-phosphorous acids, 

 342. 

 Phosphorus, its class, 145. 



its properties, 340. 



essential to animal organization, 339. 



its preparation, 339. 



oxidation of, 341. 



oxides of 342, 343. 



vapour, 135. 



Phosphuretted hydrogen, 418, 146. 



bichloride of tin and, 605. 



Picamar, 840. 

 Picrosmine, 509. 

 Picrotoxin, 910. 



Picromel, or sugar in bile, 1045. 

 Pigments, see Colours. 

 Pipe clay, 524. 

 Piperin, 908. 

 Pittacal, 840. 



Plants, ordinary constituents of 881, 1011. 

 families of and particular, their con- 

 stituents, 908, et seq. 1012. 



neutral principles peculiar to certain. 



908. Food of, 1012. 

 See Vegeto-alkalies. 

 Plaster of Paris, 497. 

 Platinic oxide, 684. 

 Platinocyunic acid, 991. 

 Platinocyanide of hydrogen, 991. 

 Platinous iodides and cyanides, 684. 

 Platinum, its expansion uniform, 2, 4, et 

 passim. 



its derivation from plata silver, 680. 



its properties, 681. 



chlorides and protochlorides of, 683, 



685. 



action of spongy, 185. 



black powder of, 682. 



bicyanide of, 991 . 



oxides of, 682, 684. 



peroxide of, or platinic oxides, 684. 



Platinum, nitrate of the chloramide of, 

 683. 



resin of, 797. 



sulphuret of, 682. 



Plumbagin, 911. 

 Plumbago, 299. 



crystals of, 139. 



Plumbocalcite, mineral, 143, 588. 

 Pneumatic trough, the, 72, &c. 

 Pneumatics, observations regarding che- 

 mistry and, 70, 75. 

 Poisons, mineral, 632, 636, 986, et passim. 



vegetable, 980, 981, 982, et passim. 



of ill-cured meat, 727. 



Polarity, doctrine of, 200. 



and induction, the chemical, 204, 



et seq. 



Polarization of light, 274. 

 Poles and axis of the earth, 275. Currents 

 of the polar atmospheric steam, 275, 

 276. 



Polybasite, 668. 

 Polychrome, 931. 

 Poppy, the, 937, 974, 976. 

 Populin, 911. 



Porcelain, substances used in the manufac- 

 ture of, 521. Dresden, 522. Sevres, 523. 

 Staffordshire, 522. Berlin, 523. 

 Porphyroxine, 979. 

 Porphyry, 523. 



Potash, its relations with other substances, 

 144, 444, 934, et passim. 



