L ^6: ] 



loo grains pure cryftallized common fait precipitate from a folu- 

 tion of nitrated filver 233,5 grains of muriated filver by Klaproth's, 

 235 by Dr. Black's, and 237 by Arrhenius's Cicperiments *; Dr. 

 Black's is a medium between both; the difference arifes only from 

 the degree of deficcation. 



100 grains of muriated tartarin fhould produce 216,86 of mu- 

 riated filver. 



SeElion Zth. 



Muriated Lead. 



This fait may be obtained In two flates, either in acicular cryf- 

 tals or thoroughly deficcated. The proportion of ingredients in 

 each I deduce from the following fads : 



ift. Klaproth having dilTolved 100 grains lead in dilute 

 nitrous acid, and precipitated the lead by cauflic tartarin, 

 found the precipitate fliarply dried until it began to grow yellow, 

 to weigh 115 grains. 1 Klaproth, 274. 



2d. Having precipitated a folution of loo grains of lead in 

 nitrous acid by dropping muriatic acid as long as any precipitate 

 appeared, and evaporated the whole to drynefs in a fand heat, he 

 found the muriated lead to weigh 133 grains. Ibid. 



3d. 



• Mem. Stock. 1785. 



