NIOSH 7908

NON-VOLATILE ACIDS (Sulfuric Acid and Phosphoric Acid)

This method is the replacement method NIOSH 7903 and allows for the collection of the inhalable fraction of particulate fluorides. Improvements with this method allows lower limits of detection and quantitation for gaseous HF due to higher sampling flow rates.

Analysis Type (Application Method): Ion Chromatography

Link to NIOSH 7908 Method

Compatible Filters:

FILTER, 37-mm diameter quartz fiber; or polytetrafluoroethylene (PTFE), 0.45 μm pore size and Syringe filter with 0.8-μm pore size polytetrafluoroethylene (PTFE) membrane filters. Forceps to handle filter membrane.

Materials

     
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