This method is for the determination of ketones using GC/FID (flame ionization detector). The ketones evaluated by the method are: acetone, cyclohexanone, ciisobutyl ketone, 2-hexanone, methyl isobutyl ketone, and 2-pentanone. The sample is collected on a charcoal tube. After collection the sample is desorbed with carbon disulfide then analyzed by GC/FID.
NOTE: This method combines and replaces Methods S1, S18, S19 and S20, S178 and S358, and 1300 dated 2/15/84.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | None specified in the method. |
| Preservatives: | Samples that will be analyzed for MIBK must be shipped to the lab refrigerated. |
| Required Preps: | Charcoal tube, 100 mg/50 mg, (SKC 226-01) |
| Collection Method: | The method recommends a flow rate of 0.01 - 0.2 L/min. and a collection volume of 0.5 - 3 L for acetone and 1 - 10 L for all other analytes. |
| Analytical Methodology: | GC/FID |
| Documentation: | 
1300
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| 2-Pentanone | C5H10O |
107-87-9 |
0.02 |
mg |
| Methyl isobutyl ketone (MIBK) | C6H12O |
108-10-1 |
0.02 |
mg |
| Diisobutyl ketone | C9H18O |
108-83-8 |
0.02 |
mg |
| Cyclohexanone | C6H10O |
108-94-1 |
0.02 |
mg |
| Methyl butyl ketone (2-Hexanone) | C6H12O |
591-78-6 |
0.02 |
mg |
| Acetone | C3H6O |
67-64-1 |
0.02 |
mg |
* 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.