Merck
CN

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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技术

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

试验参数

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

适用性

application for SPME

应用

agriculture
food and beverages

分析说明

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.

法律信息

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

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