This method is for the determination of alpha- and beta- naphthylamine. The sample is collected on glass fiber filters followed by silica gel sorbent tubes, desorbed with 0.05% (v/v) acetic acid in 2-propanol, and then analyzed by GC/FID. The working range is 0.003 to 0.07 mg/m³ (0.0005 to 0.01 ppm) for a 50-L air sample. Note: This revises P&CAM 264.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | 82% to 100% recovery after 22 days at -15 °C. |
| Preservatives: | Ship on dry ice; store at -15°C. |
| Required Preps: | Glass fiber filter, 13-mm diameter; silica gel sorbent tube, 100mg/50mg. |
| Collection Method: | Glass fiber filter and silica gel sorbent tube: 30L - 100L @ 0.2 - 0.8L/min. |
| Analytical Methodology: | GC/FID |
| Documentation: | 
5518
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| 1-Naphthalenamine | C10H9N |
134-32-7 |
0.01 |
µg |
| 2-Naphthalenamine | C10H9N |
91-59-8 |
0.01 |
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.