1908] Ammonia-Ethyl-Phospho-Peatino-Cheoride 
97 
The values for y- found by us agree closely with the figures 
obtained by Werner and Miolati 3 and by Werner and Herty 4 for 
all diionic complex ammonia compounds. No evidence of hydrol- 
ysis could be detected in the solution which had been used for 
the determination of the molecular conductivity, the reaction was 
perfectly neutral . 
From all the above facts, it is evident that the formula of our 
compound is 
a formula strictly in accord with Werner’s coordination law. It 
would seem further that we have here another case of isomerism 
of inorganic compounds. 
In order to gain further knhwledge of the conditions which 
determine the formation of the one or the other of these sub- 
stances, new experiments were begun. A fresh portion of the 
compound 
was prepared. Twenty-one grams of the substance were dissolved 
in seventy-five cc. of benzene and the solution was divided iuto 
three equal portions. In one, designated A, the substance was pre- 
pared under the conditions above described. In another, desig- 
nated B, the crystals were promptly separated from the benzene 
liquor. In the third portion, designated C, the temperature was 
maintained at 6° throughout the experiment . 
In order to insure as far as practicable a uniform addition of 
ammonia in the several experiments, thirty -five grams each of 
finely pulverized lime and ammonium chloride were thoroughly 
mixed and placed in a 500 cc. round bottom flask and heated in a 
3 Z. phys. Chem., Vol. 12, p. 35; Yol. 14, p. 506; Vol. 21, p. 225, 
4 Ibid., Vol. 38, p. 331. 
