Characterization of iron(III) oxide and oxide-hydroxide as Sr-sorbent

被引：6
|
作者：
Balek, V
Malek, Z
Subrt, J
Zdimera, A
机构：
[1] CHARLES UNIV,FAC SCI,CZ-12800 PRAGUE 2,CZECH REPUBLIC
[2] INST INORGAN CHEM,CZ-25068 PRAGUE,CZECH REPUBLIC
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-LETTERS | 1996年 / 212卷 / 05期
关键词：
D O I：
10.1007/BF02162647
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Iron(III) hydroxide and oxide-hydroxide samples prepared by precipitation of 0.2M iron(III) nitrate solution by 5M NaOH and subsequently aged at pH 12 for times of up to 50 h have been characterized. The sorption properties towards Sr2+ were characterized by radiotracer method using Sr-85, morphology of the samples was characterized by Transmission Electron Microscopy and Emanation Thermal Analysis. X-ray diffraction patterns characterized the crystallinity of the samples aged for various times. The maximum (100%) sorption capacity for Sr-85 corresponding to amorphous iron(III) hydroxide decreased to 75% with the time of precipitate ageing (up to 40 h). This finding corresponds to the development in crystallinity and morphology of the sorbent.
引用
收藏
页码：321 / 331
页数：11
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