This method is for the determination of phenothiazine. The sample is collected on a 37mm glass fiber filter. After collection, the sample is extracted with methy tert-butyl ether and analyzed by GC/NPD (gas chromatography/nitrogen phosphorus detector). After collection and during shipment the samples should be protected from light.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | The method notes that the recoveries of the analyte were above 96% after storage at ambient and refrigerated temperatures for 14 days. |
| Preservatives: | Protect samples from light. |
| Required Preps: | 37 mm glass fiber filter, SKC 225-706 |
| Collection Method: | The method recommends a flow rate of 1 L/min. with a 100L collection volume. |
| Analytical Methodology: | GC/NPD |
| Documentation: | 
PV2048
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Phenothiazine | C12H9NS |
92-84-2 |
2 |
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.