86 Mr Oxley, Magnetic Susceptibility with Temperature. 3 
: 
measured. The curves I’, II’ and V’, which correspond to I, II and 
On 
os | 
decreases. This is not so with the curve III’. At the higher 
On 
V in fig. 5, show that the value of — — steadily increases as S 
temperatures the value of — a is low, and as a temperature 
oS | a1 
(a) DIS) 50 m5 
——> ). 
Fig. 6. 
of 20°C. is approached it assumes a more normal value. Below 
20° C. the value of 2 is abnormally high, and.at 15° C. it 
I’ 
has a value equal to that of the strongest solution at a slightly 
(4°) higher temperature. For temperatures lower than 10°C. the 
on {1 
The general shape of the curve III, fig. 5, is evidence for the 
existence of complex groups of particles in the solution at the 
abnormally high value of — a falls off. 
IV 
' 
| 
