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Analysis of amoxicillin, polymers and derivatives on Kromasil C18

  • 1 = amoxicillin penicillinoic acid
  • 2 = amoxicillin
  • 3 = amoxicillin diketopiperazine
  • 4 = amoxicillin dimer
  • 5 = amoxicillin trimer
chromatogram for g1079
Column:Kromasil 100-5-C18 4.6 × 250 mm
Part number:M05CLA25
Eluent A:acetonitrile / 50 mM potassium di-hydrogen phosphate pH 5 (1/99)
Flow rate:1 ml/min
Temperature:25 °C
Detection:UV @ 254 nm


Application according to Chinese Pharmacopea CP2015 Part 2 (566-567) applied by the Beijing Zhenxiang Industry & Commercial Company′s laboratory

Kromasil columns available with the stationary phase used in this application

Click/touch the dot for the combination of stationary phase and column diameter of your interest to access column length availability and further options.
Column diameters, [mm]
FamilyPhasedp [μm]
100 ÅC185 M05CLD__ M05CLC__ M05CLJ__ M05CLB__ M05CLA__ M05CLP__ M05CLO__ M05CLV__ M05CLW__