33 





'Z7.<)i 



Fig. 3. 



tions are given in the figures 3 and 4, and they are easy to under- 

 stand if we compare what was published before about the system 

 ether-anthraquinone and -the system phosphorus. 



Anorg. Chem. Laboratory of the University. 

 Amsterdam, May 30, 1913. 



Chemistry. — ''On the pseudo system MethyMiodanide — Methyl- 

 mustard oil." Bj^ Prof. A. Smits and H. Vixseboxse. (Com- 

 municated by Prof. A. F. Holleman). 



In 1906 ^) Walden stated the fact that different salts dissolved in 

 metliylrhodanide CHjSCN do not bring about a rise of the boiling 

 point, but a lowering of the boiling point. 



It appears from the following table that this phenomenon is brought 

 about by the salts N(C3H-)J, NCC.HJJ, Cdl„ and NH.CNS. 



') Zeitschr. f. phys. Chem. 55, 297 (190G). 

 Proceedings Royal Acad. Amsterdam. Vol. XVI. 



3 



