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中文摘要：
用三氯化铁和乙二胺四叉膦酸（edtmpH8）为原料合成膦酸铁（Fe-edtmpH5）配合物前驱体，再将该前驱体在空气氛下焙烧即制得偏磷酸铁Fe（PO3）3。利用电喷雾质谱（ESI／MS）、红外光谱（FT—IR）、热重一差热分析（TG—DTA）测试确定了FeHLedtmpH5配合物的组成和可能结构．对焙烧后产物进行X射线衍射（XRD）、扫描电镜（SEM）及透射电镜（TEM）测试，结果表明焙烧产物为具有三维网状形貌的高纯Fe（PO3）3．
英文摘要：
The high pure Fe（PO3）3 with three-dimensional networks structure was synthesized by a novel thermal decomposition of phosphonate. Briefly, the iron phosphonate （Fem-edtmpHs） complex was synthesized by using FeCI3 and ethylenediamine-tetramethylene phosphonic acid （edtmpH8） as starting materials. The composition and structure of Fem-edtmpH5 complex is characterized by Fourier transform infrared spectroscopy （FT-IR）, electrospray ionization/mass spectrometry （ESI/MS） and thermogravimetry- differential thermal analysis （TG-DTA）. Then, the Fe（PO3）3 is obtained by thermal decomposition of FerH-edtmpH5 complex in air atmosphere. X-ray diffractometry （XRD）, scanning electron microscopy （SEM） and transmission electron microscopy （TEM） measurements show that the obtained Fe（PO3）3 pos- sesses high purity, good crystallinity and oarticular three-dimensional networks momhology.
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