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LC/MS Analysis of GABA (NH2P-40 2D)

GABA or γ-aminobutyric acid was analyzed by Asahipak NH2P-40 2D a polymer-based amino
Column under HILIC mode. Hydrophilic compounds are retained at a high concentration of acetonitrile under HILIC mode conditions. This is advantageous for high sensitivity analysis by LC/MS.

Sample : 5μL
GABA (γ-Aminobutyric acid) 10ng/mL
(in H2O/CH3CN=25/75)

Column : Shodex Asahipak NH2P-40 2D (2.0mmI.D. x 150mm)

Eluent : 20mM HCOONH4 aq./CH3CN=30/70

Flow rate : 0.2mL/min

Detector : ESI-MS (SIM Positive)

Column temp. : 30°C