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.
| Column | Obelisc N, 4.6×150 mm, 5 µm, 100A |
| Mobile Phase | MeCN/H2O – 85/15% |
| Buffer | AmAc pH 5- 10 mM |
| Flow Rate | 1.0 ml/min |
| Detection | UV, 250 nm |
| Class of Compounds |
Anion, Hydrophilic, Ionizable |
| Analyzing Compounds | Azide |
Application Column
Obelisc N
SIELC has developed the Obelisc™ columns, which are mixed-mode and utilize Liquid Separation Cell technology (LiSC™). These cost-effective columns are the first of their kind to be commercially available and can replace multiple HPLC columns, including reversed-phase (RP), AQ-type reversed-phase, polar-embedded group RP columns, normal-phase, cation-exchange, anion-exchange, ion-exclusion, and HILIC (Hydrophilic Interaction Liquid Chromatography) columns. By controlling just three orthogonal method parameters - buffer concentration, buffer pH, and organic modifier concentration - users can adjust the column properties with pinpoint precision to separate complex mixtures.
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