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. 2021 Apr 6;125(14):3710–3716. doi: 10.1021/acs.jpcb.1c00642

Table 1. Self-Diffusion Coefficients of PNIPAM in Different Electrolyte Solutions in D2O.

  D (10–11 m2/s)a
c (M) NaSCN NaClO4 NaI NaCl NaF Na2SO4
0.01 2.213 2.233 2.200 2.227    
0.05 2.200 ± 0.010 2.227 2.202 2.189 2.198 2.260
0.1 2.193 2.210 2.201 2.208    
0.2 2.198 2.267 2.245 2.191    
0.3 2.203 2.282 2.230 2.182    
0.4 2.199 2.275 2.215 2.221 ± 0.014    
no salt 2.215 ± 0.007
a

The stated errors are from experiments repeated in triplicate. The resulting conservative estimate of the error in diffusion experiments in this instrumental regime is on the order of ±0.7%.