THE VAPOR PRESSURES OF ROCHELLE SALT, THE HYDRATES OF SODIUM AND POTASSIUM TARTRATES AND THEIR SATURATED SOLUTIONS

1924 ◽  
Vol 46 (10) ◽  
pp. 2192-2196 ◽  
Author(s):  
H. H. Lowry ◽  
S. O. Morgan
1936 ◽  
Vol 58 (12) ◽  
pp. 2472-2474 ◽  
Author(s):  
Alfred E. Hirschler

In a former paper the author made an experimental determination of the elastic properties of crystals of Rochelle salt or Potassium Seignette salt, a double tartrate of sodium and potassium with the formula Na. K. C 4 H 4 O 6 4H 2 O. Ammonium Seignette salt (NaNH 4 C 4 H 4 O 6 4H 2 O) belongs to the same isomorphous group, and can be obtained in large crystals. It was thought that some interesting results should be obtained on determining the elastic properties of this latter salt, where the ammonium group merely replaces the potassium atom. A comparison of the two results should give some indication of the physical effect due to these chemical changes in the complex molecule.


1937 ◽  
Vol 59 (7) ◽  
pp. 1293-1294 ◽  
Author(s):  
Warren W. Ewing

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