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The refinement and concentration of agricultural antibiotic A in aqueous solution using membrane processes

✍ Scribed by Cai Bang-Xiao; Lang Kong-Min; Liu Yu-Rong; Chen Yi-Ming


Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
637 KB
Volume
62
Category
Article
ISSN
0011-9164

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## Abstract Poly(methacrylic acid) was grafted on a nanoporous polycarbonate membrane using the glow‐discharge method. Atomic force microscopy showed that the pore size is dependent upon pH in such a way that a low pH the graft chains are protonated and contracted to open the pore, whereas at high