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Merck

GC Analysis of Ibuprofen Enantiomers (Underivatized) on ฮฒ-DEXโ„ข 120

GC Analysis of Ibuprofen Enantiomers (Underivatized) on β-DEX™ 120 suitable for GC

Materials

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ฮฒ-DEXโ„ข 120

L ร— I.D. 30 m ร— 0.25 mm, df 0.25 ฮผm

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Ibuprofen sodium salt

≥98% (GC)

Ibuprofen

meets USP testing specifications

Ibuprofen

≥98% (GC)

(S)-(+)-Ibuprofen

ReagentPlusยฎ, 99%

Ibuprofen-d3

analytical standard

Ibuprofen

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., FocusLinerโ„ข

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DEX is a trademark of Sigma-Aldrich Co. LLC
FocusLiner is a trademark of SGE Analytical Science Pty Ltd.