Ultra-trace analysis of iridium in coastal seawater sample by neutron   activation analysis after anion exchange preconcentration

DAI Xiongxin  WANG Jinchun  MAO Xueying  CHAI Zhifang  OUYANG Hong

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Ultra-trace analysis of iridium in coastal seawater sample by neutron activation analysis after anion exchange preconcentration

更新时间：2021-03-12

- Ultra-trace analysis of iridium in coastal seawater sample by neutron activation analysis after anion exchange preconcentration
- NUCLEAR TECHNIQUES Issue 10, (2001)
- 作者机构：
  
  1. 中国科学院高能物理研究所核分析技术开放研究实验室
  2. 中国科学院高能物理研究所核分析技术开放研究实验室,北京,100080
- 作者简介：
- 基金信息：
- DOI：
  CLC： O657.4
- Published：01 October 2001
- 稿件说明：
移动端阅览
[1]戴雄新,王进春,毛雪瑛,柴之芳,欧阳宏.阴离子交换预浓集-中子活化法测定近岸海水样品中的超痕量铱[J].核技术,2001(10):828-834.

DAI Xiongxin WANG Jinchun MAO Xueying CHAI Zhifang OUYANG Hong. Ultra-trace analysis of iridium in coastal seawater sample by neutron activation analysis after anion exchange preconcentration[J]. Nuclear techniques, 2001, (10): 828-834.
[1]戴雄新,王进春,毛雪瑛,柴之芳,欧阳宏.阴离子交换预浓集-中子活化法测定近岸海水样品中的超痕量铱[J].核技术,2001(10):828-834. DOI：

DAI Xiongxin WANG Jinchun MAO Xueying CHAI Zhifang OUYANG Hong. Ultra-trace analysis of iridium in coastal seawater sample by neutron activation analysis after anion exchange preconcentration[J]. Nuclear techniques, 2001, (10): 828-834. DOI：

摘要

利用放射性192 Ir示踪技术及近紫外 -可见吸收光谱分析

研究了阴离子交换树脂对海水中铱的吸附行为

建立了天然海水样品中铱的阴离子交换预浓集流程

回收率达 90 %。在超净条件下

采用此流程结合中子活化分析测得黄海近岸海水样品中的铱浓度为 2 .6× 10 - 14 g/mL。

Abstract

The adsorption behaviors of iridium on an anion resin were studied through 192 Ir radiotracer technique and near ultra-violet and visible spectrum analysis. An anion exchange preconcentration procedure for iridium in natural seawater sample was established

and the recovery reached 90%. Under ultra-clean condition

the Ir concentration in a coastal seawater sample derived from the China Yellow Sea was determined by neutron activation analysis after this preconcentration procedure to be 2.6×10 -14 g/mL.

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