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G005545

GC Analysis of Phthalate Esters in Corn Oil (Spiked) on SLB®-5ms after SPME with a 100 μm PDMS Fiber

suitable for GC, application for SPME

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About This Item

technique(s)

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

test parameters

sample/matrix: corn oil spiked with phthalate esters at 500 μg/kg
SPME fiber: 100 μm PDMS (57300-U)
extraction: headspace, 95 °C (measured in headspace)
desorption process: 260 °C for 4 min
column: F.S. CAP. SLB-5ms 20 m x 0.18 mm I.D., 0.18 μm (28564-U)
oven: 60 °C (1 min), 10 °C/min to 330 °C (10 min)
inj. temp.: 260 °C
carrier gas: helium, 0.6 mL/min, constant
liner: 0.75 mm I.D. SPME
sample: Corn oil

suitability

application for SPME

application(s)

agriculture
food and beverages

Analysis Note

In this application, SPME was used for the analysis of phthalate esters from oily samples, specifically the oil-based flavor packets included with ramen noodle kits. Spiked samples of corn oil and flavored oils included with ramen noodle kits were analyzed using high temperature SPME headspace extraction using a 100 μm PDMS fiber which was then directly desorbed into the GC/MS system. Calibration standards were prepared in corn oil, and spiked samples of chicken and beef oil-based flavors were analyzed. The SLB-5ms GC columns provide consistently low-bleed, inert, efficient, and durable separations.

Legal Information

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

SPME fiber

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analytical column

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