This method is for the determination of 1,1,2-trichloroethane. The sample is collected on charcoal adsorbent, desorbed with carbon disulfide, and analyzed by GC using a flame ionization detector. Per the method, gas chromatography is by far the best analytical technique for determining trace amounts of 1,1,2-trichloroethane. It offers speed, sensitivity, and selectivity.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | The recovery of analyte from the collection medium after storage must be 75% or greater. Recoveries of greater than 93% were obtained from samples stored for up to 15 days at both ambient (17.1°C to 21°C) and refrigerated (-4°C to 4°C) temperatures. |
| Preservatives: | Store at ambient (17.1°C to 21°C) or refrigerated (-4°C to 4°C) temperatures. |
| Required Preps: | Solid sorbent tubes: coconut shell charcoal, 100 mg/50 mg, 7cm x 6mm OD x 4mm ID |
| Collection Method: | Solid sorbent charcoal tubes 10 L at 0.2 L/min. |
| Analytical Methodology: | GC/FID |
| Documentation: | 
011
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| 1,1,2-Trichloroethane | C2H3Cl3 |
79-00-5 |
1.4 |
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.