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Chromatogram

Description

Sodium azide is used in older car airbag systems and airplane escape slides. It is an acutely toxic substance. Obelisc N mixed-mode column can retain the azide ion using MS-compatible mobile phase of acetonitrile (ACN) and water with Ammonium Acetate as buffer. Can also be UV detected at 250nm.

Method Parameters

Mobile PhaseMeCN/H2O – 85/15%
BufferAmAc pH 5- 10 mM
Flow Rate1.0 ml/min
DetectionUV, 250 nm
Class of CompoundsAnion, Hydrophilic, Ionizable
Analyzing CompoundsAzide

HPLC Column Used

Obelisc N, 4.6×150 mm, 5 µm, 100A