All samples require preparation prior to analysis by gas chromatography. Match t

Question

All samples require preparation prior to analysis by gas chromatography. Match the sample preparation method with its definition. Preconcentration Solid-phase microextraction Purge and trap Derivatization :es a chemical reaction to convert an analyte to a form more easily separated and detected. An extraction method with 100% efficiency used for removing volatile analytes from solid or liquid samples. Extracting a portion of available analyte from a sample without the use of solvent. Increasing the concentration of solute in a sample by the removal of solvent.

Explanation / Answer

Derivatization: A chemical reaction to convert an analyte to a form more easily separated and detected.

Purge and Trap : An extraction mthod with 100 % efficiency used for removing volatile analytes form solid or liquid samples.

solid - phase microextraction : Extraction a portion of available analyte from a sample without the use of solvent.

Preconcnetration : increasing a concentration of solute in a sample by the removal of solvent.

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