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3
questions
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What allows for colloidal solutions of polymers to act like solutions despite the large size of polymers?
I have been introduced to a paragraph in my textbook that I am trying to understand.
Macromolecular colloids: Macromolecules in suitable
solvents form solutions in which the size of the ...
1
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What is the influence of citrate on PEG-modified polyacrylamide hydrogels?
I've been having a puzzle explaining the experimental results with the citrate anions and PEG modified polyacrylamide:
According to the experimental data there is a hydrogel swelling whenever citrate ...
2
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hydrodynamic thickness of polymer vs. concentration of electrolyte?
I've measured the hydrodynamic thickness of a NaPSS layer on polystyrene latex and plotted it against the concentration of the supporting electrolyte, NaCl.
My graph shows a general decrease in ...