This method describes the sample collection and analysis of 1-Nitropropane and 2-Nitropropane. Samples are collected by drawing known volumes of air through commercially available XAD-4 sampling tubes. Samples are desorbed with carbon disulfide and analyzed by gas chromatography using a flame ionization detector. After samples are received at the laboratory, they should be stored under refrigeration, until analyzed, to help minimize migration.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | At least 15 days. |
| Preservatives: | Keep refrigerated. |
| Required Preps: | Solid sorbent sampling tubes containing XAD-4 resin: 80mg/40mg, 7cm x 6mmOD x 4mmID. |
| Collection Method: | XAD-4 tubes: 4 L at 0.1 L/min. |
| Analytical Methodology: | GC/FID |
| Documentation: | 
046
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| 1-Nitropropane | C3H7NO2 |
108-03-2 |
0.4 |
µg |
| 2-Nitropropane | C3H7NO2 |
79-46-9 |
0.4 |
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.