This method describes the sample collection and analysis of acetone. Air samples are collected by drawing known volumes of air through standard size sampling tubes containing 130 mg of Carbosieve S-III (carbon based molecular sieve) adsorbent in the front section and 65 mg in the back section. The samples are desorbed with 1% dimethylformamide in carbon disulfide, in the presence of magnesium sulfate, and analyzed by GC with FID detection. This sampling method has a higher sampling capacity and results in improved storage stability for acetone over the existing coconut shell charcoal method.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | At least 15 days. |
| Preservatives: | Store at room temperature or keep refrigerated. |
| Required Preps: | Samples are collected on sampling tubes packed with two sections of 60/80 mesh Carbosieve S-III ; 4.5cm x 6mmOD x 4mmID with 130mg/65mg adsorbent. |
| Collection Method: | Carbon based molecular sieve: 3 L at 0.05 L/min. |
| Analytical Methodology: | GC/FID. |
| Documentation: | 
069
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Acetone | C3H6O |
67-64-1 |
14.1 |
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.