This method describes the sample collection and analysis of ethyl 2-cyanoacrylate and methyl 2-cyanoacrylate. Samples are collected by drawing a known volume of air through phosphoric acid-treated XAD-7 sampling tubes. Following desorption with 2 mL of 0.2% (v/v) phosphoric acid in acetonitrile, the samples are analyzed by high pressure liquid chromatography (HPLC) with ultraviolet (UV) detection.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | Recovery remained about 90% after 17 days of storage @ 5°C for both MCA and ECA. |
| Preservatives: | Keep refrigerated at all times. |
| Required Preps: | Sampling tubes containing phosphoric acid-treated XAD-7 adsorbent which are made at the laboratory were used in this study |
| Collection Method: | Solid sorbent XAD-7 tubes: 12L @ 0.1L/min. |
| Analytical Methodology: | HPLC-UV detection |
| Documentation: | 
055
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Methyl cyanoacrylate | C5H5NO2 |
137-05-3 |
0.56 |
µg |
| Ethyl cyanoacrylate | 7085-85-0 |
0.87 |
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.