锆-4合金中微量总稀土的测定

CAS OpenIR > 中科院上海原子核所2003年前

	锆-4合金中微量总稀土的测定
	方企嫈; 谢燕燕; 葛雨健
	1981-03-02
Source Publication	核技术
Issue	02
Abstract	<正> 锆-4合金作为反应堆结构材料和核燃料元件的包壳;由于它所含稀土的热中子俘获截面较大;所以锆-4中稀土的分析分离很重要。为了提高分析分离的灵敏度;对二步萃取法作了些改进:第一步改用磷酸二2-乙基已基酯(D_2EHPA)为萃取剂;选用4N HCl介质能萃取大量锆;把稀土分离出来。第二步用磺基水杨酸-硫氰酸铵作掩蔽剂;1苯基3甲基4苯甲酰基吡唑啉酮(PMBP)萃取稀土;将其它非稀土元素分离掉;然后用pH2.5HCl进行反萃取;偶氮胂Ⅲ紫色分光光度计测定稀土;灵敏度能达0.29ppm。实验结果如下:
Indexed By	CNKI
Language	中文
Funding Project	原子核所项目组
Document Type	期刊论文
Identifier	http://ir.sinap.ac.cn/handle/331007/11443
Collection	中科院上海原子核所2003年前
Recommended Citation GB/T 7714	方企嫈,谢燕燕,葛雨健. 锆-4合金中微量总稀土的测定[J]. 核技术,1981(02).
APA	方企嫈,谢燕燕,&葛雨健.(1981).锆-4合金中微量总稀土的测定.核技术(02).
MLA	方企嫈,et al."锆-4合金中微量总稀土的测定".核技术 .02(1981).

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