A comparison of electron ionization mass spectra obtained at 70 eV, low electron energies, and with cold EI and their NIST library identification probabilities

Eren Ksenia J. Margolin; Elkabets Oneg; Amirav Aviv

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A comparison of electron ionization mass spectra obtained at 70 eV, low electron energies, and with cold EI and their NIST library identification probabilities

机译：在70eV，低电子能量和冷EI及其NIST图书馆识别概率中获得的电子电离质谱比较

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摘要

Electron ionization (EI) mass spectra of 46 compounds from several different compound classes were measured. Their molecular ion abundances were compared as obtained with 70-eV EI, with low eV EI (such as 14 eV), and with EI mass spectra of vibrationally cold molecules in supersonic molecular beams (Cold EI). We further compared these mass spectra in their National Institute of Standards and Technology (NIST) library identification probabilities. We found that

机译：测量了46种不同化合物的电子电离质谱。将它们的分子离子丰度与70 eV EI、低eV EI（如14 eV）和超声分子束中振动冷分子的EI质谱（冷EI）进行了比较。我们在国家标准与技术研究所（NIST）图书馆中进一步比较了这些质谱的识别概率。我们发现

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来源
《Journal of mass spectrometry: JMS》 |2020年第12期|共15页
作者
Eren Ksenia J. Margolin; Elkabets Oneg; Amirav Aviv;
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作者单位

Tel Aviv Univ Sch Chem IL-6997801 Tel Aviv Israel;

Tel Aviv Univ Sch Chem IL-6997801 Tel Aviv Israel;

Tel Aviv Univ Sch Chem IL-6997801 Tel Aviv Israel;

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原文格式 PDF
正文语种 eng
中图分类分析化学;
关键词
cold EI; electron ionization mass spectra; GCamp; 8208; MS; low eV EI; low voltage electron ionization; NIST library identification probabilities;

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A comparison of electron ionization mass spectra obtained at 70 eV, low electron energies, and with cold EI and their NIST library identification probabilities

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