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Merck
CN

G002992

HPLC Analysis of Ulcer Treatment Drugs on Ascentis® RP-Amide

application for HPLC

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technique(s)

HPLC: suitable

test parameters

column: Ascentis RP-Amide, 15 cm x 2.1 mm I.D., 5 μm particles (565305-U)
mobile phase: [A] 10 mM ammonium phosphate, pH 6.2 with phosphoric acid; [B] acetonitrile
gradient: 5 to 15% B in 10 min; to 55% B in 8 min; held for 5 min
flow rate: 0.2 mL/min
column temp.: 35 °C
detector: UV, 220 nm
injection: 5 μL
sample: as indicated in 95:5 water:methanol

suitability

application for HPLC

application(s)

pharmaceutical (small molecule)

Legal Information

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

Analyte

Description

    Ranitidine 40 μg/mL
    Famotidine
    Cimetidine 40 μg/mL
    Nizatidine
    Omeprazole 40 μg/mL
    Lansoprazole 40 μg/mL

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