This method is for the collection and analysis of dipropylene glycol methyl ether (DPGME). The sample is collected on a coconut shell charcoal tube. After collection the sample is desorbed with 95/5 (v/v) methylene chloride/methanol and analyzed by GC/FID (flame ionization detector).
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | Recoveries were above 99% when samples were stored for 15 days at ambient temperatures. |
| Preservatives: | Store samples at ambient temperatures. |
| Required Preps: | Charcoal tube, 100/50mg (SKC 226-01) |
| Collection Method: | The method recommends a 0.1 L/min. flow rate with a 10L sample collection volume. |
| Analytical Methodology: | GC/FID |
| Documentation: | 
101
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Dipropylene glycol methyl ether | 34590-94-8 |
1.5 |
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.