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GC Analysis of Cresols on SLB®-IL76i

GC Analysis of Cresols on SLB®-IL76i suitable for GC

Materials

analytical column

Product No.
Description
Pricing

29869-U

SLB®-IL76i Capillary GC Column

L × I.D. 30 m × 0.25 mm, df 0.20 μm

solvent

Product No.
Description
Pricing

650463

Dichloromethane

HPLC Plus, for HPLC, GC, and residue analysis, ≥99.9%, contains 50-150 ppm amylene as stabilizer

standard

Product No.
Description
Pricing

W348007

o-Cresol

≥99%

W233706

p-Cresol

≥99%, FG

W353000

m-Cresol

≥98%, FG

CONDITIONS

column

SLB-IL76i, 30 m x 0.25 mm I.D., 0.20 μm (29869-U)

oven

160 °C

inj. temp.

250 °C

detector

MSD, m/z 50-500

MSD interface

270 °C

carrier gas

helium, 30 cm/sec, constant

injection

1 μL 100:1 split

liner

3.5 mm I.D., splitless type, wool packed

sample

3 cresols, each at 100 μg/mL in dichloromethane

Description

Analysis Note

Cresols are an important class of industrial synthetic precursors for small molecule synthesis. This application demonstrates the suitability of the SLB®-IL76i stationary phase for phenolic compounds, particularly cresols (methylphenols). The ionic liquid stationary phase provides good retention and selectivity of these isomeric compounds. The inert nature of the deactivated column surface limits secondary interactions, yielding excellent peak shape for compounds with active moeities or the potential to hydrogen bond.

Legal Information

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

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Small Molecule HPLCLarge Molecule HPLCGas Chromatography (GC)TLCSolid Phase Microextraction (SPME)Solid Phase Extraction (SPE)QuEChERS