• Application Note

Fractionation of Acidic and Neutral from Basic Drugs in Plasma

Fractionation of Acidic and Neutral from Basic Drugs in Plasma

  • Waters Corporation

This is an Application Brief and does not contain a detailed Experimental section.

Abstract

This application brief demonstrates fractionation of acidic and neutral from basic drugs in plasma.

Introduction

The compounds used in this study are -

  1. Acetaminophen
  2. Barbital
  3. p-Toluamide
  4. Amphetamine
  5. Methamphetamine
  6. m-Toluidine
  7. Ranitidine (I.S.)

Experimental

LC Conditions

Column:

Symmetry Shield RP8, 4.6 x 75 mm, 3.5 μm

Guard column:

Symmetry Shield RP8, 3.9 x 20 mm, 3.5 μm

Part numbers:

Column WAT094263, Guard 186000704

Mobile phase:

5% CH3OH/95% 20 mM K2HPO4/KH2PO4, pH 7

Flow rate:

2 mL/min

Temperature:

36 °C

Injection:

10 μL plasma extract

Detection:

UV @ 214 nm (0.010 AUFS)

Results and Discussion

HPLC Chromatogram of Elute 1 and Elute 2 Fraction

Featured Products

WA31764.87, June 2003

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