This method describes the sample collection and analysis of trimellitic anhydride. Samples are collected open face on glass fiber filters coated with veratrylamine (3,4-dimethoxybenzylamine) and di-n-octyl phthalate. Samples are extracted with aqueous ammonium hydroxide and analyzed by HPLC using a UV detector.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | Up to 16 days. |
| Preservatives: | Store at room temperature. |
| Required Preps: | A four-piece polystyrene cassette containing two coated glass fiber filters. |
| Collection Method: | Glass fiber filters: 480 L at 2.0 L/min. |
| Analytical Methodology: | HPLC/UV. |
| Documentation: | 
098
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Trimellitic anhydride | C9H4O5 |
552-30-7 |
0.106 |
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.