E 209 j 
CLASS IL SALTS* 
Natrum. 
Of a cauftic tafte ; efFisrvefcing with acids. 
^6. Borax. 
Frothing in the fire, and in a ftrong heat 
melting into a tranfparent glafs. 
^ 7 - Muria. 
Of a fait tafte, eafily foluble in water, 
changing nitrous acid into the nitromuri- 
atic acid. 
68. Nitrum. 
Of a cool fharpifh tafte, when moiftene*^ 
with very ftrong fulphuric acid emitting 
red vapours. 
69. Mirabile. 
Producing liver of fulphuf in a white heat 
with powdered charcoal ; its watery folu- 
tion not rendered turbid by a mixture of 
carbonate of foda. 
7 o. Amarum. 
Of a bitter tafte; its watery folution be«* 
coming milky by a mixture of carbonate 
of foda. 
7 i. Alumen. 
Of a fweetifti and very aftringeht tafte : its 
watery folution not made turbid by pruf- 
fiate of foda. 
72. VlTRIOLUM. 
Of an acid aftringent tafte : its watery fo- 
lution made turbid by a mixture of carbo- 
nate of foda o.r prufliate of fada. 
VOL. VII. -• D d 
V 
