GC Analysis of Ibuprofen Enantiomers (Underivatized) on ฮฒ-DEXโข 120
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Materials
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CONDITIONS
column
Supelco β-DEX 120, 30 m x 0.25 mm I.D., 0.25 μm (24304)
gradient
50 ยฐC (5 min), 5 ยฐC/min to 200 ยฐC (10 min)
inj. temp.
250 ยฐC
detector
FID, 250 ยฐC
carrier gas
helium, 60 m/sec., constant flow
injection
1 μL, 100:1 split
sample
2 mg/mL in methanol
peak 1: S(+)-ibuprofen
peak 2: R(-)-ibuprofen
liner
4 mm I.D., FocusLinerโข
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DEX is a trademark of Sigma-Aldrich Co. LLC
FocusLiner is a trademark of SGE Analytical Science Pty Ltd.