244 



ELEMENTARY CHEMICAL MICROSCOPY 



TABLE I. 



LIQUIDS FOR THE DETERMINATION OF THE REFRACTIVE 

 INDICES OF SOLIDS BY IMMERSION METHOD. 



'The values for n in this column are those obtained in the author's laboratory at 2O-22 C 

 C. by means of the refractometer on Merck products. 



2 Schroeder van der Kolk, 1. c. 



3 Kley, 1. c. 



