I. Remsen on Sulphosalicylic Acids. 285 
following results : 
I, 05885 grams of the salt, on being heated to 190°, lost 0°0637 
grams H? O=10°83 per cent. 
IL 05885 grams of the salt gave 0°3113 grams K?SO*=0°13956 
grams K=23°71 per cent. 
Calculated. Found. 
(C7H408S) 216 65°45 ee 
K2 78 23°64 AR es | 
2H20 36 10°91 10°83 
330 100°00 
The fact that this salt contains two molecules of water of 
crystallization, together with the fact that it is the princi al 
On evaporating the mother liquor from the crystals first ob- 
tained, and again allowing to crystallize, a second deposit took 
place. This was made up to a great extent of crystals of the 
same kind as that already described, but, in addition to these, 
and well-formed. The two kinds were sn gen: as carefully 
a possible by mechanical means, and bot 
peatedly. The larger crystals, after being subjected to this 
I 05258 grams of the salt, on being heated to 180°, lost 0-044 
grams H*O=8°37 per cent. 
Tl. 05258 grams of the salt gave 0°2859 grams K2S04=0°12817 
grams K—24°38 per cent. 
Calculated. Found. 
(C7H*058) 216 67°29 ---- 
K2 18 24°30 24.38 
14H20 27 8°41 8°37 
