CONTENTS. Vll 



CHAP. PAGE 



18. Salts of bismuth, . . . 389 



1 9- Salts of mercury, . . . 395 



20. Salts of silver, .... 404 

 SECT. 2. Of the composition of the compound 



salts, 415 



1. Compound salts containing ammonia, 417 



2. Compound salts containing potash, 429 



3. Compound salts containing neither 

 potash nor ammonia, . . . 443 



XIX. Some general observations on the atomical weights 



of chemical bodies, . . . 457 



APPENDIX, 



EXHIBITING THE SPECIFIC GRAVITIES OF THE GASES, AND 

 THE ATOMIC WEIGHTS DETERMINED IN THIS WORK. 



TABLE PAGE 



I. Specific gravities of the gases, .... 477 



II. Specific gravity and atomic weights of the gases 



referred to oxygen gas as unity, . 478 



III. Exhibiting the atomic weights of bodies, . 479 



IV. Exhibiting the composition and atomic weight of 



the salts, 483 



V. Compound salts, 503 



VI. Exhibiting the substances in the three preceding 



tables arranged alphabetically 510 



