This method is designed for the determination of phenyl ether. The sample is collected on charcoal sorbent tubes, desorbed with carbon disulfide, and analyzed by GC/FID. The working range is 0.1 to 9 ppm (0.7 to 60 mg/m³) for a 10 L air sample. Better sensitivity may be achieved with a capillary column with appropriate adjustments in instrumental conditions. A DB-wax (polyethylene glycol) or equivalent is similar to the FFAP packed column. NOTE: This method revises Method S72.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | Not noted in method |
| Preservatives: | Not noted in method |
| Required Preps: | Solid sorbent tube: coconut shell charcoal, 100 mg/50 mg, 7 cm X 6 mm OD x 4 mm ID |
| Collection Method: | Solid sorbent tube: 1 - 50 L @ 0.01 - 0.2 L/min. |
| Analytical Methodology: | GC/FID |
| Documentation: | 
1617
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Diphenyl ether | C12H10O |
101-84-8 |
0.7 |
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.