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K2FeO4在稀KOH溶液中的稳定性研究
杨卫华; 王建明; 曹江林; 潘滔; 张鉴清; 曹楚南
2004
Source Publication化学学报
ISSN0567-7351
Volume62.0Issue:019Pages:1951-1955
Abstract采用分光光度法对K2FeO4在初始pH=8.0~13.0的KOH溶液中的稳定性作了系统研究.研究发现,在恒定温度下,K2FeO4的稳定性受其浓度、溶液的碱度和其分解产物FeOOH的催化分解作用三方面影响.HO^-离子浓度的增大将阻碍FeO4^2-离子之间的碰撞,从而有利于增强K2FeO4的稳定性,但HO^-离子浓度增大到一定程度后,K2FeO4的分解产物容易生成FeOOH,而FeOOH将催化K2FeO4的进一步分解.研究结果表明,0.5mmol·L^-1的K2FeO4在pH=10.0~11.0的KOH溶液中最稳定,其初始阶段分解过程为一级反应;溶液初始pH值不同,K2FeO4的稳定性随其浓度变化的规律亦不相同.
Keyword高铁酸钾 氢氧化钾溶液 稳定性 分光光度法 高铁化合物
Indexed ByCSCD
Language中文
CSCD IDCSCD:1689494
Citation statistics
Cited Times:10[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/156043
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
杨卫华,王建明,曹江林,等. K2FeO4在稀KOH溶液中的稳定性研究[J]. 化学学报,2004,62.0(019):1951-1955.
APA 杨卫华,王建明,曹江林,潘滔,张鉴清,&曹楚南.(2004).K2FeO4在稀KOH溶液中的稳定性研究.化学学报,62.0(019),1951-1955.
MLA 杨卫华,et al."K2FeO4在稀KOH溶液中的稳定性研究".化学学报 62.0.019(2004):1951-1955.
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