This method is for the determination of 2-butanone (MEK). The sample is collected on silica gel sorbent tubes, desorbed with DMSO (dimethyl sulfoxide), and analyzed by gas chromatography with a flame ionization detector. Samples are collected on 2 silica gel tubes in series. The second tube is used as a backup for the first tube.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | Recoveries of greater than 95% were obtained from samples stored for up to 15 days at both ambient (23°C) and refrigerated (-5°C) temperatures. |
| Preservatives: | Store refrigerated or at room temperature. |
| Required Preps: | Solid sorbent tube: 2 silica gel tubes in series, 150 mg/75 mg, 7cm x 6mm Od x 6mm ID |
| Collection Method: | Solid sorbent tube: silica gel tubes: 3 L @ 0.1 L/min. |
| Analytical Methodology: | GC/FID |
| Documentation: | 
016
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Methyl ethyl ketone (2-Butanone) | C4H8O |
78-93-3 |
13 |
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.