6 $f t&e ^et^antcai paxU& 



CHAP. II. 



THE other Chymkal way of ex- 

 plicating Precipitations may 5 in 

 a right fence, be made ufe of by a 

 Naturalift on (bene particular occafi- 

 pns. But I think it much tQo narrow 

 and defe&ive, as 'tis in a general way 

 propofed, to be fit to be acq iiie feed 

 in. For firft 'tis plain, that 'tis not 

 only Salt of Tartar and other fixed 

 Alcalies that precipitate moft bodies 

 that are diflblved in acid Menftrij- 

 ums} as in making of Amurn 

 fulminant^ oil of "tartar precipitates 

 the Gold out o£ Aqua Regisi&xit acid 

 liquors themfelves do on many occa- 

 fions no lefs powerfully precipitate 

 metals and other bodies put of one 

 another. Thus fpirit of Salt, (as I 

 have often tried) precipitates Silver 

 out of Aqua fortis : The corrofive 

 Spirit of Nitre copioufly precipitates 

 that white powder whereof they 

 maksfiezoardkuM MimraUx Spirit or 



oil 



