Two water-based ferrofluids were prepared with peptization technique using dodecylamine and dodecanoic acid as dispersing agent.
以十二烷基胺和十二酸为分散剂，通过胶溶技术制备了两种水性铁磁流体。
2
The adsorbed dodecylamine film changed the structure of the double-electric layer and made the potential of zero charge(PZC) shift to the positive direction.