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

被引：53

作者：

Hener, U

Brand, WA

Hilkert, AW

Juchelka, D

Mosandl, A

Podebrad, F

机构：

[1] Univ Frankfurt, Inst Lebensmittelchem, D-60439 Frankfurt, Germany

[2] Finnigan MAT, D-28197 Bremen, Germany

来源：

ZEITSCHRIFT FUR LEBENSMITTEL-UNTERSUCHUNG UND-FORSCHUNG A-FOOD RESEARCH AND TECHNOLOGY | 1998年 / 206卷 / 03期

关键词：

GC-pyrolysis-IRMS; GC-combustion-IRMS; delta O-18 values; delta C-13 values; vanillin; C-13; analysis; O-18; multi-element analysis;

D O I：

10.1007/s002170050249

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

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 delta(13)C and delta(18)O 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.

引用

页码：230 / 232

页数：3

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