ZIRCONIA. 34 1 



Zirconia ... 6 

 Water . . . 1-125 



Now, 1*125 represents an atom of water. Hence, 

 the hydrate was a compound of 1 atom zirconia 

 and 1 atom water ; and this experiment also 

 leads to the conclusion that an atom of zirconia 

 weighs 6. 



(3.) 11 '85 grains of pure muriate of zirconia, Muriate of 

 not in crystals, but formed by dissolving zirconia 

 in muriatic acid, and evaporating the solution 

 to dryness in a low temperature, were dissolved 

 in water, and the zirconia thrown down by am- 

 monia. When properly washed and dried, and 

 heated to redness, it weighed 4*33 1 grains. The 

 liquid thus freed from zirconia, was' neutralized 

 by nitric acid, and the muriatic acid thrown down 

 by nitrate of silver. The chloride of silver, after 

 fusion, weighed 13-59 grains, equivalent to 3*444 

 grains of muriatic acid. From this experiment 

 it follows, that muriate of zirconia is composed 

 of 



Muriatic acid 3-444 or 4-625 

 Zirconia . 4-331 - 5-815 

 Water . 4-075 - 5-437 



4*625 denotes the weight of an atom of muri- 

 atic acid 5*437 approaches pretty near to 5*625, 

 the weight of 5 atoms of water 5*815 repre- 

 sents the atomic weight of zirconia, according to 

 this experiment : it is a little less than 6, the 

 atomic weight deduced from the hydrates. I 



Y3 



