is78.] 479 [Marshall. 
PovasstumM MONOCHLORSALICYLATE. 
GC. Ee CHOCO OVE 
Formed by boiling a solution of the Barium salt with a calculated amount 
of potassium sulphate and evaporating the filtrate ; or by boiling the free 
acid with a slight excess of potassium carbonate. 
The salt crystallizes from its aqueous solution in long colorless needles, 
very soluble in cold and hot water. Analysis showed it to be anhydrous. 
Potassium Estimation. 
.1168 Grm. dried salt evaporated in a platinum crucible with sulphuric 
acid, gave .0491 Grm. potassium suiphate, which corresponds to .0220 
71m. potassium = 18.83% K. 
Calculated per cent. Found per cent. 
C, H, Cl OH COO = 171.5 = 81.48% 
=o Ko == sob 18.52% 18.83 % 
210.6 100.00 
SoDIUM MoNnoOcHLORSALICYLATE. 
C, H, Cl OH COO Na. 
I prepared this salt in a manner similar to the preceding potassium com- 
pound. From concentrated aqueous solution it crystallizes in short, straw- 
colored needles, easily soluble in cold or warm water. It is anhydrous. 
Sodium Estimation. 
0.2986 Grm. dried salt treated just as in the preceding analysis, gave 
.1081 Grm. sodium sulphate, which corresponds to .0350 Grm. sodium = 
Calculated per cent. Found per cent. 
C; H; CLOH COO = 171.5 = 88.18% 
42 Na = 23.. = 19:82'% 11.72% 
194.5 100.00 
LirHtuM MoONOCHLORSALICYLATE. 
C, H; Cl OH COO Li + 2 H,0. 
I made this salt by boiling the free acid with a slight excess of Lithium 
carbonate. The filtered solution was then strongly evaporated and placed 
over sulphuric acid to crystallize. After long standing the salt appeared 
in large, broad, colorless plates—very hard—which were united to aggre- 
gated masses. After several recrystallizations the salt was analyzed. 
Water Estimation. 
.1876 Grm. air-dried salt heated for three hours at 130° CG. lost .0030 Grm. 
EO aoa OF 
2 molecules H,O require 1.67%. 
