This method is used for the collection and analysis of dioxane. The sample is collected on a charcoal tube. After collection, the sample is desorbed with carbon disulfide and analyzed using GC/FID (flame ionization detector).
The working range of the method is 5.5 to 190 ppm (20 to 700 mg/ m³) for a 10 L air sample.
NOTE: This method combines and replaces Method S360s and P&CAM 127 for dioxane.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | Samples are stable for at least 1 week from sampling to analysis if kept at 25°C or at least 6 weeks from sampling to analysis if kept at -10°C. |
| Preservatives: | Store samples at 25°C or -10°C. |
| Required Preps: | Coconut shell charcoal tube, 50 mg/100 mg (SKC 226-01) |
| Collection Method: | The method recommends a 0.01 - 0.2 L/min. flow rate and a 0.5 - 15 L sample collection volume. |
| Analytical Methodology: | GC/FID |
| Documentation: | 
1602
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| 1,4-Dioxane | C4H8O2 |
123-91-1 |
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.