Hydrolyzed Al(III)-clusters. II: Speciation transformation and stability of Al-13 aggregates

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 环境水质学国家重点实验室

	Hydrolyzed Al(III)-clusters. II: Speciation transformation and stability of Al-13 aggregates
	Bi, Zhe ; Chen, Youjun ; Wang, Shuifeng ; Wang, Dongsheng
刊名	COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
	2014
卷号	440 期号:1 页码:59-62
关键词	Nano-Al-13 Clusters Inorganic polymer flocculant Speciation stability
ISSN号	0927-7757
中文摘要	Pure nano-Al-13 and aggregates at various concentrations were prepared to examine their stability and potential role in coagulation processes and natural systems. Alkalinity titration experiments showed that the hydrolysis of Al-13 solutions exhibits significant difference from that of the normal Al(III) solutions. The transition OH/Al ratio (pH points) shifts from normal 2.5 to higher values (similar to 2.9). No significant structural rearrangement takes place during Al-13 aggregation. The aggregates exhibit stability during short aging up to 1 month. The Al-b species obtained by Ferron assay in the initial aging period no longer corresponds to Al-13. The aggregates disappear quickly in Al-27-NMR detection with increasing B value (OH/AI ratio) maintaining efficient Ferron reactivity. This shows that the Al-b in Ferron assay corresponds with Al-13 only under certain conditions. (C) 2012 Elsevier B.V. All rights reserved.
WOS记录号	WOS:000329014400009
公开日期	2015-03-26
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/9553]
专题	生态环境研究中心_环境水质学国家重点实验室
推荐引用方式 GB/T 7714	Bi, Zhe,Chen, Youjun,Wang, Shuifeng,et al. Hydrolyzed Al(III)-clusters. II: Speciation transformation and stability of Al-13 aggregates[J]. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,2014,440(1):59-62.
APA	Bi, Zhe,Chen, Youjun,Wang, Shuifeng,&Wang, Dongsheng.(2014).Hydrolyzed Al(III)-clusters. II: Speciation transformation and stability of Al-13 aggregates.COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,440(1),59-62.
MLA	Bi, Zhe,et al."Hydrolyzed Al(III)-clusters. II: Speciation transformation and stability of Al-13 aggregates".COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 440.1(2014):59-62.