As we know, some certain pairs of polymers can form interpolymer complexes in solution which can be detected by scattering or other method. However, in preparing such samples(or change pH value/temperature from one state to another), those complexes usually can't reach their hydrodynamic state even after 24h or more. In some of papers, researchers often characterize them after 24h, even there are some papers didn't tell us the time. How do everyone who know about it deal with this problem? Thanks.