This method is for the collection and analysis of acetic acid and formic acid from workplace air. The sample is collected on a charcoal tube. After collection the sample is desorbed with a 0.0015M borate solution and analyzed by ion chromatography (IC).
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | Recoveries of both analytes were above 82% when stored at refrigerated temperatures for 14 days. |
| Preservatives: | Keep samples refrigerated after sample collection until analysis. |
| Required Preps: | Charcoal tube, 200/400mg (SKC 226-09) |
| Collection Method: | The method recommends a 0.2 L/min. flow rate with a 48L maximum sample collection volume. |
| Analytical Methodology: | IC |
| Documentation: | 
ID-186SG
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Formic acid | CH2O2 |
64-18-6 |
40 |
ng |
| Acetic acid | C2H4O2 |
64-19-7 |
60 |
ng |
* 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.