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Merck
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Key Documents

97-0191

GC Analysis of Volatiles in White Wine on VOCOL® after SPME using a 75 μm Carboxen/PDMS Fiber

suitable for GC, application for SPME

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About This Item

技術

gas chromatography (GC): suitable
solid phase microextraction (SPME): suitable

測試參數

sample/matrix: white wine + 25% NaCl
SPME fiber: Carboxen/PDMS, 75 μm (57318)
extraction: 10 min, 40 °C (headspace)
desorption process: 3 min at 290 °C
column: VOCOL, 30 m × 0.25 mm I.D., 1.5 μm (24205-U)
oven: 40 °C (2 min) to 220 °C at 10 °C/min
inj. temp.: 290 °C
detector: GC-MS, quadrupole, m/z = 31-240
carrier gas: helium, 35 cm/sec
injection: splitless/split, closed 1 min
liner: 0.75 mm liner
sample: white wine

適合性

application for SPME

應用

food and beverages

分析報告

In this application, SPME was used for the analysis of volatiles in white wine using a headspace method. The presence of aroma compounds in white wine is one of the most important attributes of its final quality. A Carboxen/PDMS fiber was inserted into the headspace of the vial for 10 minutes at 40 °C and analyzed by GC/MS. The thick film of the VOCOL GC column helps focus the volatile analytes.

法律資訊

VOCOL is a registered trademark of Merck KGaA, Darmstadt, Germany

分析物

描述

    Methyl formate
    Ethanol
    2,3-Butanediol
    Isoamyl alcohol
    Ethyl acetate
    Hexyl acetate
    Sulfur dioxide
    2-Methyl-1-butanol
    Ethyl octanoate
    Ethyl butyrate
    Ethyl hexanoate
    Octanoic acid
    Acetic acid
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