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Merck
CN

G1006586

GC Analysis of Volatiles in Canadian Whiskey on VOCOL® after SPME using 50/30 μm DVB/Carboxen®/PDMS Fiber

suitable for GC, application for SPME

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technique(s)

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

test parameters

sample preparation: Solid Phase Microextraction
sample/matrix: 4 mL Canadian whiskey (80 proof) in a 10 mL vial (no salt added)
SPME fiber: 50/30 μm divinylbenzene/Carboxen®/polydimethylsiloxane on StableFlex (57298-U)
extraction: headspace, 40 °C for 15 min with agitation
desorption process: 270 °C for 3 min
column: VOCOL®, 30 m x 0.25 mm I.D., 1.50 μm (24205-U)
oven: 40 °C (2.5 min), 6 °C/min to 55 °C, 45 °C/min to 235 °C (5min)
inj. temp.: 270 °C
detector: FID, 300 °C
carrier gas: helium, 1.0 mL/min
injection: splitless (closed 0.75 min)
liner: 0.75 mm I.D., direct (SPME) type, straight design

suitability

application for SPME

application(s)

food and beverages

Analysis Note

Beverages are liquid, so sample preparation is often simple, and can be accomplished with direct injection, headspace, solid phase microextraction (SPME), solid phase extraction (SPE), or liquid-liquid extraction (LLE). SPME coupled with GC is an effective technique for monitoiring the volatiles present in the headspace over spirits.

Legal Information

Carboxen is a registered trademark of Merck KGaA, Darmstadt, Germany
StableFlex is a trademark of Sigma-Aldrich Co. LLC
VOCOL is a registered trademark of Merck KGaA, Darmstadt, Germany

Analyte

Description

    Acetaldehyde
    Ethanol
    2-Methyl-propanol
    Ethyl acetate
    Acetic acid
    3-Methyl-butanol
    2-Methyl-butanol
    Amyl acetate
    Ethyl butanoate
    Furfural
    Ethyl hexanoate
    Ethyl heptanoate
    Ethyl ocanoate
    Ethyl nonanoate
    Ethyl decanoate
    Ethyl dodecanoate
    See All (16)

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