This method is used for the determination of tetraethyl lead as lead. The sample is collected on XAD-2 sorbent tubes, and desorbed in 1mL pentane. The sample is then analyzed by Gas Chromatography with a Photoionization detector. The working range is 0.017 tp 0.23 mg/m³ (as Pb) for a 120-L air sample. Note: This revises Method S383.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | At least 1 week @ 25 °C. |
| Preservatives: | 25°C. |
| Required Preps: | Solid sorbent tube: XAD-2, 100mg/50mg; 10cm x 6mm OD x 4mm ID. |
| Collection Method: | Solid sorbent tube, 30L to 200L @ 0.01 to 1 L/min. |
| Analytical Methodology: | GC with Photoionization Detector |
| Documentation: | 
2533
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Tetraethyllead | C8H20Pb |
78-00-2 |
0.1 |
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.