Caffeine in Liquor on Welchrom C18

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1mg/L caffeine

No.NameRtAreaHeightAreaAsymmetryResolutionPlates
  minmAU*minmAU%(EP)(EP)(EP)
 1Caffeine 7.878 1.103 6.574 100.00 0.95 n.a.14405
ColumnWelch Ultisil®XB-C18 4.6×150mm, 5μm
Mobile PhaseA-Water, B-Methanol(A:B=76:24 isocratic)
Wavelength272nm
Temperature30℃
Flow Rate1000 mL/min
Injection Volume20 μl

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