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Application of Isotope Dilution Mass Spectrometry (IDMS) for Food Analysis

Submission Date :
8 / 25 / 2008 , 17 : 42 : 06
Abstract Number :
102082515996
Presenting Type:
Symposium
Presenting Area :
분석화학 - Mass spectrometry for chemical analysis
Authors :
안성희, 김병주
한국표준과학연구원 삶의질표준부 보건그룹, Korea
Assigned Code :
목12H4심 Assigend Code Guideline
Presenting Time :
목 15시 : 30분
Isotope Dilution Mass Spectrometry (IDMS) uses an isotope labeled material corresponding to the target analyte as an internal standard. The isotope labeled material has the same chemical and physical properties as the target analyte; therefore, this technique provides its accuracy without systematic bias through the accurate correction of the recovery of the target analyte along the sample clean up processes. In our lab, we developed and evaluated the IDMS method employed with liquid chromatography as a candidate reference method for the analysis of folic acid in infant milk, acrylamide in potato chips and malachite green in fish tissue. The repeatability and reproducibility test results proved that the ID-LCMS method has a high metrological quality as a reference method.