THE ELECTRIC CONDUCTIVITY OF NITRIC ACID. 



395 



HNO 3 10H 2 O 25 '5 percent. HNO 3 Differentiation of density curve (PICKERING). 



I Specific magnetic rotation (PERKIN). 

 < Freezing of solution (PICKERING). 



I Chemical activity towards metals (VELEY). 



Density curve (MENDELEEFF). 



/Isolation in crystals (PICKERING). 

 I Metallic nitrates (MENDELEEFF). 



("Vapour pressure (MENDELEEFF). 

 I Heat of dilution (BERTHELOT). 



[Density determinations (KOLB). 

 J Isolation in crystals (PICKERING). 



HNO S 7H,O 33-3 



HNO 3 5H 2 41-2 

 HNO 3 3H 2 O 53-85 



HNO 3 2H 2 63-63 



HN0 3 H 2 78-02 



s 



I Specific magnetic rotatory power, metallic 

 [_ nitrates and analogy with H 3 P0 4 (PERKIN). 



70 



Curve 1. 



6C 



'40 



10 



10 20 SO 40 50 60 70 80 SO 100 



flsr cent; acid 



Specific resistance /> of nitric acid at 15 C. 

 3 E 2 



