210 Analysis of the lately discovered 



the sulphate of lime formed, being detached by ablution 

 with alcohol, was dried and heated to redness in a platina 

 spoon ; which, taking 100 to be equal to 70 of carbonate 

 of lime, indicated 4-rV oi carbonate of lime to be contained 

 in 231 cubic inches, or in one gallon of the water. 



Experiment IV. — The solution freed Irom its carbonate 

 of lime, not being decomposable by the joint action of car- 

 bonate of ammonia, and phosphate of soda, when highly 

 concentrated, was mingled with liquid ammonia in excess, 

 and the formed jirecipitate collected on the filter. 



Experiment V. — The separated oxide of iron was redis- 

 solved in nitro-niuriatic acid, and evaporated to dryness, 

 for several times successively ; and lastly, sulphuric acid was 

 added, lo convert it into sulphate of iron. 



Experiment VI.-r-Having added ammonia to the sulphu- 

 ric solution left in the preceding process, sufficient only to 

 remove the excess of acid, it was decomposed boiling hot 

 by succinate of soda, the precipitate collected by the filter. 



Experiment VII. — On the succinate of iron obtained 

 muriatic acid was poured, to effect a solution ; which being 

 accomplished, it was decomposed by sub-carbonate of pot- 

 ash. The carbonate of iron produced weighed 5-^-^ grains. 



Experiment VIII. — To ascertain the saline contents of 

 the water, 1848 cubic inches were evaporated to 100, and 

 filtered. To free it from the substances so far detected in, 

 and separated from it, the precipitate obtained by evapora- 

 tion being again examined in the manner stated, afforded 

 the same results, namely, carbonate of lime and carbonate 

 of iron, besides a portion of sulphate of lime. The latter 

 being removed, the fluid was evaporated to perfect dryness. 



Experiment JX. — The dry mass being repeatedly digested 

 in alcohol, the solution filtered, concentrated, covered with 

 sulphuric acid, strongly heated, and lastly, the sulphate of 

 lime separated by the filter ', the fluid which passed through 

 the paper was not decomposable by the joint action of phos- 

 phate of soda and carbonate of ammonia ; muriate of mag- 

 nesia could therefore not be present in this solution. 



Experiment X.— The fluid which resisted the repeated 

 application of alcohol (Experiment IX.) was covered with a 



small 



