Determination of trace elements in target material of <sup>123</sup>I by ICP emission spectrometry

Zongzhi Huang; Qiying Fang; Hongdi Zhou

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Determination of trace elements in target material of ¹²³I by ICP emission spectrometry

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- Determination of trace elements in target material of ¹²³I by ICP emission spectrometry
- Nuclear Techniques Vol. 06, Issue 4, (1983)
- 作者机构：
  
  中国科学院上海原子核研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：30 November 1982，
  
  Published：1983-08
- 稿件说明：
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Zongzhi Huang, Qiying Fang, Hongdi Zhou. Determination of trace elements in target material of ¹²³I by ICP emission spectrometry[J]. Nuclear techniques, 1983, 06(4): 57-58,77,78.
DOI：

Zongzhi Huang, Qiying Fang, Hongdi Zhou. Determination of trace elements in target material of ¹²³I by ICP emission spectrometry[J]. Nuclear techniques, 1983, 06(4): 57-58,77,78. DOI：

摘要

123

I为一种优质核素、具有较

131

I更为合适的半衰期（13.2小时），无

粒子发射，

能量适中（159keV），近十年来已在诊疗中取代了

131

I。

123

I制备法有直接和间接两种，前者以粒子轰击靶子制得。如

121

Sb（

，2

）

123

I，

122

Te（

、

）

123

I，

123

Te（

、

）

123

I等等。间接法则由粒子束轰击靶子物先制得

121

Xe（

½2.1小时），再经

衰变制

123

I。本所采用α粒子束轰击超纯锑靶，直接制取

123

I、在核素制备过程中，锑靶纯度直接影响

123

I的性质，有必要对锑靶痕量元素分析。我们采用

ICP

光谱法分析了电镀锑靶片，满足了制备的要求。

Abstract

Medical isotope

123

I can be produced with nuclear reaction of

123

Sb (

2n)

123

I. A method is for determining trace elements in target material Sb plate is described. The Sb plate were dissolved in the mixture of 6N HC1 and concentrated HNO

then evaporated to fume and transformed into bromide by dissolving the residue in 8N HBr. Sb was extracted by shaking the mixture with 1

EHPA/n-Heptane and rejecting the organic layer

Pb and Te in aqueous phase were determined by ICP emission spectrometry with a sensitivities of from 6×10

-6

g to 1.25×10

-7

chemical yields of 82.0% to 95.0% and relative standard deviation of 8.2% to 19.5%.

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Determination of trace elements in target material of 123I by ICP emission spectrometry

DOI：

摘要

Abstract

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Determination of trace elements in target material of ¹²³I by ICP emission spectrometry