294 Mr. W. J. Walker : Relationship between Viscosity, 



At 



Sodium 



Chloride. 





Actual values. 



o°c. .. 



--6795 



10° 



--6455 



30° 



— -5670 



50° 



--4924 



00° 



--3016 



Calcium 



Chloride. 





Actual values. 



0° 0. ... 



—'3583 



10° 



--3511 



30° 



--3449 



50° 



--3333 



At 



By readjusting these values so that log A may be regarded 

 as a linear function of T, formulae were obtained for each of 

 the solutions which gave a fairly accurate relation between 

 p, /jl, and T. The readjusted values are : — 



Sodium Chloride. 

 Readjusted values. 



At 0°C --679(T| 



10° - -6416 | 



30° —5716 }■ log A = -'6790 



50° --4920 | + -00374 T. 



100° --3050J 



Calcium Chloride." 

 Readjusted values. 

 At 0°C --3580 



10° --3530 



30° --3430 



50° --3330 



log A= --3580 

 + -0005 T. 



The tables below give a comparison between the experi- 

 mental and calculated values of /x, according to the £>iven 

 formulae 



I (p - l)i*-°Q* T = A(l- ^\ for sodium chloride 



II ( p _l)-95-oo2T = A^l-^) for calc 



ium chloride. 



