This method is for the collection and analysis of N,N-dimethylformamide (DMF) from workplace air. The sample is collected on a coconut shell charcoal tube. After sample collection, the sample is desorbed with acetone and analyzed by GC/NPD (nitrogen/phosphorus detector).
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | The recovery of the analyte was above 91% when stored at ambient temperatures for 16 days. |
| Preservatives: | Store at ambient or refrigerated temperatures. |
| Required Preps: | Charcoal tube, 60/100mg (SKC 226-01) |
| Collection Method: | The method recommends a flow rate of 0.2 L/min. with a 10L sample collection volume. |
| Analytical Methodology: | GC/NPD |
| Documentation: | 
066
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| N,N-Dimethylformamide | C3H7NO |
68-12-2 |
0.45 |
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.