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G005894

HPLC Analysis of Pain Relievers on Ascentis® Express C18

application for HPLC

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About This Item

technique(s)

HPLC: suitable

test parameters

column: Ascentis Express C18, 10 cm x 4.6 mm I.D., 5 μm particles (50536-U)
mobile phase: [A] water with 3% acetic acid; [B] methanol with 3% acetic acid; (79:21, A:B)
flow rate: 2.0 mL/min
pressure: 3290 psi (227 bar)
column temp.: 45 °C
detector: UV,275 nm
injection: 10 μL
sample: 100 - 360 μg/mLin mobile phase

suitability

application for HPLC

application(s)

clinical
pharmaceutical (small molecule)

Analysis Note

This application shows the improvements in efficiency that may be obtained for USP methods using modern Fused-Core technology.

Legal Information

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

Analyte

Description
    Acetaminophen, meets USP testing specifications, 98.0-102.0%, powder
    Caffeine, meets USP testing specifications, anhydrous
    Benzoic acid, meets USP testing specifications
    Aspirin, meets USP testing specifications

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