[ 6 5 ] 



c. A folution of cauftic, vegetable, fofli.l, or 

 volatile alkali, unites with the nitrous acid, 

 forming nitre, which remains duTolved in the 

 water, and precipitates the calcareous earth in 

 the form of lime, which diffolves again in the wa- 

 ter, and may be detected as related (page 63). 



d. And a folution of mild alkali, in like 

 manner, unites with the nitrous acid, calcareous 

 earth being precipitated in its mild form, or 

 chalk, as mentioned in the Tame page. 



e. On the addition of a folution of foap, 

 the fame appearances will take place, as when it 

 is added to water containing Epfom fait (page 

 56. e.) 



f. A folution of blue vitriol added to water 

 containing this fait, clouds of a pale green colour 

 will be formed. 



CALCAREOUS MURIATE. 



Muriatic Acid combined ivith calcareous 

 Earth. 



Synonymous Names. 

 I f Mother water of marine fait. 



CALCAREOUS] Calcareous marine fait. 



< Fixed lal ammoniac. 

 MURIATE. j MuriateofHme . 



I Murias calcareous. 



It is found wherever fea fak is met with, parti- 

 cularly in fea water j chalk often contains it ; it has 

 a fait and very difagreeable bitter tafte. It cryf- 



K talizes 



