Method ID-111

Phosphoric Acid in Workplace Atmospheres

This method is for the collection and analysis of phosphoric acid in workplace air.  The sample is collected using a mixed cellulose ester membrane (MCE) filter.  After collection, the filter is desorbed with a sodium carbonate/sodium bicarbonate solution and analyzed by ion chromatography (IC).



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Method Data

Hold Times, Preservatives, Preps, Collection, Analytical & Documentation
Holding Time:   None specified in the method.
Preservatives:   None specified in the method.
Required Preps:   37mm MCE filter with a 0.8 micron pore size (SKC 225-3-01)
Collection Method:   The method recommends a 2 L/min. flow rate with a 960L sample collection volume.
Analytical Methodology:   IC
Documentation:   ID-111

Analyte List*

Analyte Formula CAS Number Detection Limit
Phosphoric acid

* The analytes and detection limits listed for each method represent the typical detection limits and analytes reported for that particular method. Keep in mind that analyte lists may vary from laboratory to laboratory. Detection limits may also vary from lab to lab and are dependent upon the sample size, matrix, and any interferences that may be present in the sample.