EFFECTS OF PRESSURE ON NITRATES. 



003 



method and 129.5° by an optical method, van Eyk ^ gives the limits 

 125° to 127.8° on heating and cooling, Hissink ^ gives 127.9°, and 

 Wallerant ^ gives 126°. The value found above by extrapolation 

 was 125.8°. This value is probably as near the truth as any of the 



TABLE VI. 

 Potassium Nitrate (KXO3). 



