2012 Edition, April 1, 2012
Separation and Collection of Particulate and Water-Soluble Gaseous Fluorides in the Atmosphere (Filter and Impinger Method)
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Description / Abstract:
This test method provides a procedure for separation and collection on
a chemically treated filter
and in an impinger of particulate and water-soluble gaseous fluoride
in the atmosphere. The
sampling rate may vary from 30 L/min (1.0 ft³/min) to 15 L/min
(0.5 ft³/min) for longer
sampling periods depending on the atmospheric fluoride concentration.
This test method is not
intended to be applied to gaseous fluorine compounds that are not