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GC Analysis of Volatiles in Multifloral Honey on SUPELCOWAX 10 after SPME using a 50/30 μm DVB/Carboxen/PDMS Fiber

GC Analysis of Volatiles in Multifloral Honey on SUPELCOWAX 10 after SPME using a 50/30 μm DVB/Carboxen/PDMS Fiber suitable for GC, application for SPME

Materials

analytical column

Product No.
Description
Pricing

SUPELCOWAX 10 Capillary GC Column

L × I.D. 30 m × 0.25 mm, df 0.25 μm

SPME fiber

Product No.
Description
Pricing

SPME fiber assembly Divinylbenzene/Carboxen/Polydimethylsiloxane (DVB/CAR/PDMS)

needle size 24 ga, StableFlex

related product

Product No.
Description
Pricing

SPME Fiber Holder

for use with manual sampling

SPME Fiber Holder

for use with CTC CombiPAL and Gerstel MPS2

standard

Product No.
Description
Pricing

Decanal

≥98% (GC), liquid

Nonanoic acid

analytical standard

Benzaldehyde

analytical standard

Phenylacetaldehyde

≥90%

Polar Column Test Mix

certified reference material, 500 μg/mL each component in dichloromethane

Nonanal

analytical standard

Phenylethyl Alcohol

Pharmaceutical Secondary Standard; Certified Reference Material

Furfural

analytical standard

CONDITIONS

sample/matrix

5 g multifloral honey + 5 mL bidistilled water in a 20 mL vial, allowed to equilibrate at 50 °C for 15 min with magnetic stirring

SPME fiber

2 cm 50/30 μm divinylbenzene/carboxen on polydimethylsiloxane (57348-U)

extraction

headspace, 50 °C for 40 min with magnetic stirring

desorption process

250 °C for 2 min

column

SUPELCOWAX 10, 30 m x 0.25 mm I.D., 0.25 μm (24079)

oven

35 °C (8 min), 6 °C/min to 60 °C, 4 °C/min to 160 °C, 20 °C/min to 200 °C (1 min)

inj. temp.

250 °C

MSD interface

230 °C

scan range

35-300 m/z

carrier gas

helium, 1 mL/min

liner

0.75 mm I.D., SPME

sample

(Honey)

Description

Analysis Note

In this application, headspace SPME (HS-SPME) using a Carboxen/PDMS/DVB fiber coupled with gas chromatography-mass spectrometry (GC/MS) was used for the characterization of the volatile fraction of honey samples. Using SPME it was possible to obtain and distinguish the chemical fingerprints of different types of honey. The relatively polar SUPELCOWAX 10 GC column provides excellent separation of these polar compounds.

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