CONDUCTIVITY OF SILVER NITRATE. 125 



and Carroll, 1 with the corresponding values for the silver salt which had been 

 obtained by Jones and Bassett, it is seen that in mixtures of ethyl alcohol 

 with water the conductivity curves for both salts are of the same form, showing 

 no marked minimum, but exhibiting a tendency towards one in the 75 per 

 cent alcohol mixture. In mixtures of methyl alcohol with water, however, 

 while silver nitrate gives a very marked minimum in the 50 per cent mixture, 

 the calcium salt does not. Jones and Carroll did not work with dilutions 

 greater than N/256, and it is quite possible that more dilute solutions would 

 show a minimum. 



Tables 66 and 67 (figs. 44 and 45) show that there is no trace of either a 

 maximum or minimum, the curves being straight lines to within the limits of 

 experimental error. The temperature coefficients (table 67) increase regularly 

 with the proportion of ethyl alcohol up to the 75 per cent mixture, and then 

 remain practically constant, showing a slight tendency to drop. 



A study of table 66 (figs. 46 and 47) shows that at 0, at the higher 

 dilutions, silver nitrate in mixtures of methyl alcohol and acetone gives a 

 maximum that almost disappears at 25, although still evident in the more 

 dilute solutions. The maximum appears in the 50 per cent mixture. Here 

 again the results are very similar to those found for calcium nitrate by Jones 

 and Bingham, although silver nitrate does not, like the calcium salt, show, 

 within the limits of the dilutions investigated, any maximum in the 25 per 

 cent acetone mixture. 



The temperature coefficients (table 67) exhibit a pronounced maximum in 

 the 75 per cent acetone mixture. This applies equally well to calcium nitrate. 



l Amer. Chem. Journ., 32, 521 (1904). 



