CONTENTS. xiii 



Page 



Salts of alumina : sulphate, alums, nitrate, phos- 

 phate, silicates . . . . 515 

 Earthenware and porcelain . . . 521 

 SECT. IX. Glucinum, yttrium, thorium, zirconium . 525 



ORDER IV. 



Metals proper having isomorphous relations with magnesium, with bismuth. 



SECT. I. Manganese . . . . 528 



Protoxide, protosulphuret, protochloride, fluo- 

 ride, carbonate, sulphate, hyposulphate . 530 

 Deutoxide of manganese, sesquichloride, sesqui- 



cyanide, red oxide . . . 533 



Peroxide of manganese . . . 534 



Valuation of peroxide of manganese . . 536 



Manganic acid . . . . 537 



Hypermanganic acid, hyperchloride . . ib. 



Isomorphous relations of manganese . 539 



SECT. II. Iron ..... 542 



Smelting clay iron-stone, cast-iron, malleable 



iron, steel .... 547 



Passive condition of iron . . . 553 



Protocompounds of iron : protoxide, protosul- 

 phuret, protochloride, protiodide, protocy- 

 anide, ferrocyanide of potassium and iron, 

 ferricyanide, carbonate, sulphate, nitrate, 

 acetate, tartrate, titanate . . 555 



Percompounds of iron : peroxide, black oxide, 

 sesquisulphuret, perchloride, periodide, per- 

 cyanide, sesquiferrocyanide or Prussian 

 blue, persulphates, pernitrate, peroxalate, 

 benzoate and succinate . . . 560 



SECT. III. Cobalt . . 567 



Protoxide, chloride, carbonate, phosphate, per- 

 oxide, percyanide . .569 

 SECT. IV. Nickel. . .579 

 Protoxide, peroxide, sulphuret, chloride, sul- 

 phate, nickel silver. . . 571 

 SECT. V. Zinc. ...... 573 



Protoxide, sulphuret, chloride, iodide, sulphuret, 



nitrate, phosphate, silicate. . 574 



SECT. VI. Cadmium. 577 



