PHY-SLCAL.AKpCITERARy.32i' 



foltUtion of colojViion)' or znj of the coni.- 

 moo roiins j biit there are feyeral fubllai^r 

 ces which have a great affinity to rofiiis, 

 as lacca, copal, amber, fulphur, which, 

 being digefted with highly redified fpirit 

 pf wine, will fcarce give a. tindurc to the 

 fpirit } that is, thefe bodies remain either 

 altogether, or for the far greater part, 

 indifToluble in that liquor, unlefs they arc 

 previoufly prepared and difpofed to a fo- 

 lujion» by the interpo0tion of another bo- 

 jdy, as a fixed alkaline (alt, Sec Diftilled 

 yinpgar will readily diflolve copper, lead, 

 iron ; but it would be rafh to conclude, 

 that the f^me liquor will alfo difTolve 

 gold, illver,. antimony, whatever agree- 

 ji-'ent we find between thefe bodies and 

 |:]:;p ; former. ,_ On the other hand, aqi^a 

 forth and aqu3 regia appear to be much 

 of the fame nature ; and the former, by 

 g.,Yery fmall change, may be converted in- 

 to t-he latter,; yea, farther, they dilTolvc 

 equally feveral bodies, as copper, iron, 

 fpelter, tinglafs : Yet, it would be erro" 

 fiepus to conclude, that, whatfoever body 



png 



