Method 2501 is used for the determination of acrolein. The sample is collected on XAD-2 sorbent tubes coated with 2-(hydroxymethyl)piperidine and desorbed in 2 mL toluene followed by ultrasonic bath for 30 minutes. The sample is analyzed by GC with a nitrogen specific detector. The working range is 0.05 to 0.2 ppm (0.13 to 0.5 mg/m³) for a 24 L air sample. For STEL (short term exposure limit) measurements, the limit of the method is 0.9 ppm for a 15 minute sample at 0.1 L/min. NOTE: This method was developed to give improved sample stability and to provide for ease of personal sampling compared to P&CAM 118 and P&CAM 211, which have not been revised.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | At least 4 weeks from sampling to analysis if kept at 25°C |
| Preservatives: | Store at 25°C. |
| Required Preps: | Solid sorbet tube: 2-(hydroxymethyl)piperidine coated XAD-2 resin, 120 mg/60 mg, 10mm x 4mm ID |
| Collection Method: | Solid sorbent tube: 13 - 48 L @ 0.01 - 0.1L/min. |
| Analytical Methodology: | GC/NPD |
| Documentation: | 
2501
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Acrolein | C3H4O |
107-02-8 |
2 |
µg |
* 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.