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

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

材料

SPMEファイバー

製品番号
詳細
価格

57302

SPMEファイバーアセンブリー ポリジメチルシロキサン(PDMS)

df 7 μm(PDMS, needle size 24 ga, for use with manual holder

57341-U

SPMEファイバーアセンブリー ポリジメチルシロキサン(PDMS)

df 100 μm(PDMS, for use with autosampler, needle size 23 ga

57300-U

SPMEファイバーアセンブリー ポリジメチルシロキサン(PDMS)

df 100 μm(PDMS, needle size 24 ga, for use with manual holder

分析カラム

製品番号
詳細
価格

28564-U

SLB®-5msキャピラリーGCカラム

L × I.D. 20 m × 0.18 mm, df 0.18 μm

標準

製品番号
詳細
価格

36617

フタル酸ジフェニル

PESTANAL®, analytical standard

36908

フタル酸ジシクロヘキシル

PESTANAL®, analytical standard

36934

Bis(methylglycol) phthalate

analytical standard

40069

フタル酸ジメチル 溶液

certified reference material, 5000 μg/mL in methanol

67261

フタル酸ビス(2-エチルヘキシル)

certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

18281

フタル酸ジブチル

certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

43540

フタル酸ジイソブチル

certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

関連製品

製品番号
詳細
価格

27162

バイアル、スクリュートップ、透明ガラス製(キャップは付属しません)

volume 15 mL, clear glass vial, thread for 18-400, pkg of 100 ea

27165

スクリューキャップ、フェノール樹脂製、穴開き

black phenolic hole cap, for use with 15 mL vial with 18-400 thread, pkg of 100 ea

27166

セプタム、褐色PTFE/シリコン

white tan PTFE/silicone, diam. × thickness 16 mm × 0.090 in., for use with 15 mL vial, pkg of 100 ea

57330-U

SPMEファイバーホルダー

for use with manual sampling

57347-U

SPMEファイバーホルダー

for use with CTC CombiPAL and Gerstel MPS2

CONDITIONS

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

詳細

アナリシスノート

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.

法的情報

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

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