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采用NaH2 PO4 作为矿化剂,将FeCl3在2 0 0～2 2 0℃下水热反应4h ,得到了一种新型的单分散哑铃形αFe2 O3粒子,并发现H2 PO4- 和Fe3+ 的起始浓度、水热温度显著影响水热产物的形状和结构.
A new type of monodispersed dumbbell αFe 2 O 3 particles was obtained by hydrothermal reaction of FeCl 3 at 200 ~ 220 ℃ for 4h with NaH 2 PO 4 as mineralizer. The initial concentrations of H 2 PO 4 - and Fe 3+ were found, The hydrothermal temperature significantly affects the shape and structure of the hydrothermal product.