Simultaneous on-line analysis of 18O/16O and 13C/12C ratios of organic compounds using GC-pyrolysis-IRMS

Simultaneous on-line analysis of 18O/16O and 13C/12C ratios of organic compounds using GC-pyrolysis-IRMS
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使用 GC-热解-IRMS 同时在线分析有机化合物的 18O/16O 和 13C/12C 比率

DOI:
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发表时间:
1998
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通讯作者:
F. Podebrad
F. Podebrad
中科院分区:
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文献类型:
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作者:
U. Hener;W. Brand;A. Hilkert;D. Juchelka;A. Mosandl;F. Podebrad

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摘要通过热解接口将气相色谱和同位素比值质谱联用(GC-Pyrolysis-IRMS,GC-P-IRMS),可同时测定有机化合物的δ 13 C和δ 18 O值。 在对不同来源的香草醛进行说明性研究的基础上,讨论了新方法的适用范围和局限性。
Abstract The on-line coupling of gas chromatography and isotope ratio mass spectrometry via a pyrolysis interface (GC-pyrolysis-IRMS, GC-P-IRMS) allows the simultaneous determination of δ13C and δ18O values for organic compounds. On the basis of illustrative investigations of vanillin from different origins, the scope and limitations of the new method are discussed.