A method for production of high purity gas of 15N2

LI Xinghong TIAN Dexiang WANG Yongmin

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A method for production of high purity gas of 15N2

更新时间：2021-04-09

- A method for production of high purity gas of 15N2
- NUCLEAR TECHNIQUES Issue 1, (1998)
- 作者机构：
  
  北京大学
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL92
- Published：01 January 1998
- 稿件说明：
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[1]李星洪,田德详,王永民.高纯~(15)N_2气体的制备方法[J].核技术,1998(01):61-64.

LI Xinghong TIAN Dexiang WANG Yongmin. A method for production of high purity gas of 15N2[J]. Nuclear techniques, 1998, (1).
[1]李星洪,田德详,王永民.高纯~(15)N_2气体的制备方法[J].核技术,1998(01):61-64. DOI：

LI Xinghong TIAN Dexiang WANG Yongmin. A method for production of high purity gas of 15N2[J]. Nuclear techniques, 1998, (1). DOI：

摘要

报道了自行研制的制备高纯同位素

１５

Ｎ

２

气体的装置和方法。其特点是一次可制备０．５－１０Ｌ间任何量的

１５

Ｎ

２

气体。用该装置，以（１５ＮＨ４）２ＳＯ４为原料，得到

１５

Ｎ

２

气体的产率为９６．９％－９８．４％，

１５

Ｎ

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气体中１５ＮＨ３和１５ＮＯ的含量在１μｇ／Ｌ以下，其纯度能满足生物固氮研究的要求。

Abstract

A method and relevant apparatus for the production of high purity 15N2- enriched nitrogen gas

with （15NH4）2SO4 as starting material are reported. The overall yield of 15N is 96.9%- 98.4%

and the average contents of 15NH3

and 15NO are lower than 1 μg/L. By using this apparatus 0 .5 to 10L of 15Ns gas can be produced. The purity is high enough for the biological nitrogen- fixation studies .

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