Previous Article Next Article Table of Contents Macromolecules, Vol.38, No.8, 3539-3542, 2005 DOI10.1021/ma0478409 Export Citation Charge on poly(ethylene imine): Comparing electrophoretic NMR measurements and pH Titrations Griffiths PC, Paul A, Stilbs P, Petterson E Please enable JavaScript to view the comments powered by Disqus.