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Laboratory requirements Dioxin Workshop, Leon Mexico

Principle of Methods. Add surrogates (labeled internal standards)or spike a blank sampleExtract according to matrix typeClean-up (very critical step)Fractionate (very critical step)Concentrate to known volumeAnalyze by GC-ECD for screening or GC-HRMS. Requirements for Dioxin Analysis. Clean e

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Laboratory requirements Dioxin Workshop, Leon Mexico

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    1. Laboratory requirements Dioxin Workshop, Leon Mexico Richard Turle Analysis and Air Quality Division Environmental Science and Technology Centre Environment Canada

    2. Principle of Methods Add surrogates (labeled internal standards) or spike a blank sample Extract according to matrix type Clean-up (very critical step) Fractionate (very critical step) Concentrate to known volume Analyze by GC-ECD for screening or GC-HRMS

    3. Requirements for Dioxin Analysis Clean extraction lab HRGC-HRMS in EI mode Low Res NOT acceptable Labeled dioxin standards Highly trained staff A few CRMs available

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