SALTS. 70I Amarnm. 



219 



calcariufHt 



nitro'sum. 



murale* 



anutm 



k. 



D-Hqnefcing in the atmofphere, emittin,g acrid giey 

 ▼apours .of a difagrceable odour when fulphuric acid 

 is poured on it, but not wl^en expoled to a violent 

 heat. 



Terra calcarea acido, &c. Cronj't. min. feii. z\, 



Sal neutrum terra comp. Wall.Jyd, i. /. 75. «• 6. 



Fou>d in the ocean and other f line waters, and fometimes in a 

 dry ftite : hke the lall it converts nitric acid into nitro- 

 muriatic acid, and is foluble in alcohol; its rolution becomes 

 lai^efcent by dropping vitriolic acid into it. 



Deliquefcing in the atmofphere, emitting red vapours 

 when liot concentrated vitriolic acid is poured on it, 

 its watery folution not made turbid by the vitriolic 

 acid. 



Nitrated calx ? Kir^wan miner, 2. />. 29. 



Found mxed with foil and on old walls, and fometimes efflo- 

 refces with the Nitrum humofum: in the fire it fwells with 

 crackling noife, hut. does not detonate when thrown on hot 

 coals: is fo'uble in alcohol: after evaporation from its 

 watery folution it cryftallizes into 4-fided oblique truncate 

 prifms. 



Deliquefcing in the atmofphere, emitting red vapo>irs 

 when concentrated cold fulphuric acid is poured on 

 it, its watery folution made turbid by the vitriolic 

 acid. 



Nitrum terra calcar. mixt, Wull./vji. 2, /. 46, ». 2? 



Found generally with the Nitrum humofum, and is likewife 

 foluble in alcohol. 



Not deliquefcing in the atmofphere, not eafily melting in 

 the fire, but emitting red vapours by the force of fire 

 only. 



Sagg A£i, Paris. \'J'J'J* p' 433. 



Found with the Nitrum humofum^ and is compofed of the 

 phofphoric acid arid nitre. 



Be 2 



