This method is used for the collection and analysis of acetic acid. The sample is collected on a coconut shell charcoal tube. After collection the sample is desorbed with 1mL of formic acid and analyzed using GC/FID (flame ionization detector).
The working range of the method is 2 to 40 ppm (5 to 100mg/m³) for a 100 L air sample.
NOTE: This method revises Method S169.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | Samples are stable for at least 7 days from sampling to analyis if kept at 25°C. |
| Preservatives: | Store samples at 25°C. |
| Required Preps: | Coconut shell charcoal tube, 50/100 mg (SKC 226-01) |
| Collection Method: | The method recommends a flow rate of 0.01 - 1.0 L/min. and a 20 - 300L sample collection volume. |
| Analytical Methodology: | GC/FID |
| Documentation: | 
1603
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Acetic acid | C2H4O2 |
64-19-7 |
0.01 |
mg |
* 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.