This method is for the determination of N,N-dimethylethylmine. The sample is collected using a jumbo alumina tube. After sample collection the tube is desorbed using deionized water and analyzed using GC/NPD (nitrogen-phosphorus detector).
The capacity of the different lots of alumina tubes to collect the analyte varied greatly. The same tube lot should be used for the entire project if possible.
Note that this method is only partially validated.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | A stability study showed recoveries above 95% after 14 days when kept at room temperature. |
| Preservatives: | None specified in the method. |
| Required Preps: | Jumbo alumina tube (SKC 226-18) |
| Collection Method: | The method recommends a flow rate of 0.1 L/min. with collection volume of 4L. |
| Analytical Methodology: | GC/NPD |
| Documentation: | 
PV2096
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| N,N-Dimethylethylamine | C4H11N |
598-56-1 |
0.3 |
ppm |
* 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.