Evaluation of carbon tetrafluoride as a xenon surrogate for underground gas transport

被引：5

作者：

Byers, Margaret F. ^{[1
]}

Paul, Matthew J. ^{[1
,4
]}

Haas, Derek A. ^{[1
]}

Biegalski, Steven R. ^{[1
,2
,3
]}

De Luna, Brandon A. ^{[1
]}

Barth, Brianna S. ^{[1
]}

机构：

[1] Univ Texas Austin, Nucl Engn Teaching Lab, 10100 Burnet Rd,Bldg 159, Austin, TX 78758 USA

[2] Georgia Inst Technol, Nucl & Radiol Engn Program, 770 State St, Atlanta, GA 30332 USA

[3] Georgia Inst Technol, Med Phys Program, 770 State St, Atlanta, GA 30332 USA

[4] Sandia Natl Labs, POB 5800 Mail Stop 1033, Albuquerque, NM 87185 USA

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2018年 / 318卷 / 01期

关键词：

Radioxenon; Advective transport; Nuclear explosion monitoring; Gas migration tracers;

D O I：

10.1007/s10967-018-6135-3

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Detection of radioxenon is a critical component of underground nuclear explosion monitoring. Sulfur hexafluoride (SF6) has historically served as a Xe tracer. This work explores the use of carbon tetrafluoride (CF4) as an alternative for field tests given its general suitability as a tracer and reduced greenhouse gas potential compared to SF6. Gas Chromatography-Mass Spectrometry measurements characterized the diffusive behavior of CF4 in a 2-bulb apparatus to determine how well int approximates Xe. The measured diffusion coefficient of SF6 was 78% of that of Xe, agreeing with literature values, while CF4 diffused at 97% the rate of Xe.

引用

页码：465 / 470

页数：6

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