Sodium Azide and Hydrazoic Acid in Workplace Atmospheres

This method describes the sample collection and analysis of airborne azides [as sodium azide (NaN3) and hydrazoic acid (HN3)]. Air samples are taken in the breathing zone of workplace personnel, and analysis is performed by ion chromatography (IC) with a UV detector. Take precaution and ship samples to the laboratory as soon as possible after collection. Sodium Azide is a colorles salt that functions as the gas-forming component in many car airbag systems.

Analysis Type (Application Method): IC-UV

Link to OSHA ID-211 Method

Compatible Filters:

PVC membrane filter, 37 mm, 5 μm, polystyrene cassette, 37 mm diameter, spacer support pad. Forceps to handle filter membrane.


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