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  PVP Osmotic pressure data, (dynes/cm 2) for PVP polymer solution (MW 10000)  
     
 
wt% log P (dynes/cm^2)
   
2.5 6.53
5.0 6.55
7.5 6.67
10.0 6.73
12.5 6.79
15.0 6.85
17.5 6.92
20.0 6.97
22.5 7.02
25.0 7.09
27.5 7.13
30.0 7.22

The equation that fits the data is the following:

log P = 0.025 (wt%) + 6.468

Note: This equation should only be applied over the range of pressures measured.

 
     
   
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