以截留分子量为100kDa的聚偏氟乙烯(PVDF)超滤膜纯化液相沉淀法合成的纳米氧化铁水合物乳液,并以SEM、XRD、BET等考察不同残留氯化物含量对纳米Fe2O3粉体粒径、比表面积、形貌等微观结构的影响.结果表明,膜法纯化后纳米Fe2O3粉体颗粒呈规则球状,表面界限清晰,且粒径变小,比表面积增大,性能因而得到优化.
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