3mv加速器质谱法测量36Cl使用阴离子等压线分离器

IF 1.6 3区化学 Q3 PHYSICS, ATOMIC, MOLECULAR & CHEMICAL

International Journal of Mass Spectrometry Pub Date : 2025-03-11 DOI:10.1016/j.ijms.2025.117433

Erin L. Flannigan , William E. Kieser , Carley A. Crann , Christof Vockenhuber , Barbara B.A. Francisco

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引用次数: 0

摘要

第二条低能注入线包含负离子等压分离器（ISA），这是一种射频四极反应电池系统，安装在A. E. Lalonde （AEL）加速器质谱（AMS）实验室的3 MV串联加速器系统上。利用3 MV AMS系统，对36Cl标准物质和稀释系列进行了测量，评价了与NO2阴离子-气体反应对36S的抑制作用。稀释系列，36Cl/Cl比值范围为10−11至10−15，与外部测量进行比较。36Cl/Cl空白水平达到（7±4）x10−15。虽然ISA-AMS目前无法对大多数36Cl应用实现足够的分离，但这些测量显示了36Cl常规测量的进展，并演示了在低能量AMS系统上验证此类测量所需的步骤。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

3 MV accelerator mass spectrometry measurements of 36Cl using the Isobar Separator for Anions

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3 MV accelerator mass spectrometry measurements of 36Cl using the Isobar Separator for Anions

A second low-energy injection line containing the Isobar Separator for Anions (ISA), a radiofrequency quadrupole reaction cell system, was installed on the 3 MV tandem accelerator system at the A. E. Lalonde (AEL) accelerator mass spectrometry (AMS) Laboratory. The suppression of ³⁶S via anion-gas reaction with NO₂ was evaluated for measurements of ³⁶Cl reference materials and a dilution series, using a 3 MV AMS system. The dilution series, with ³⁶Cl/Cl ratios ranging from 10⁻¹¹ to 10⁻¹⁵, were measured in comparison with external measurement. ³⁶Cl/Cl blank levels of (7 ± 4) x10⁻¹⁵ were reached. While ISA-AMS is not currently able to achieve sufficient separation for most ³⁶Cl applications, these measurements show progress towards routine measurement of ³⁶Cl and demonstrate the steps required to validate such measurements on lower energy AMS systems.

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来源期刊

International Journal of Mass Spectrometry 物理-光谱学

CiteScore

3.60

自引率

5.60%

发文量

145

审稿时长

71 days

期刊介绍： The journal invites papers that advance the field of mass spectrometry by exploring fundamental aspects of ion processes using both the experimental and theoretical approaches, developing new instrumentation and experimental strategies for chemical analysis using mass spectrometry, developing new computational strategies for data interpretation and integration, reporting new applications of mass spectrometry and hyphenated techniques in biology, chemistry, geology, and physics. Papers, in which standard mass spectrometry techniques are used for analysis will not be considered. IJMS publishes full-length articles, short communications, reviews, and feature articles including young scientist features.