This method describes the sample collection and analysis of N-Phenyl-1-naphthylamine and N-Phenyl-2-naphthylamine. Samples are collected closed face by drawing known volumes of air through sampling devices consisting of three-piece opaque cassettes, each containing two 25-mm diameter extra thick glass fiber filters treated with 10 mg of L-ascorbic acid (Vitamin C). Quantitation is performed by extracting the filters with methyl alcohol and analyzing the extract by HPLC using a fluorescence detector.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | Up to 17 days. |
| Preservatives: | Store at room temperature. |
| Required Preps: | Samples are collected closed face using a sampling device consisting of two 25-mm extra thick glass fiber filters treated with 10 mg of Vitamin C contained in a three-piece opaque cassette. |
| Collection Method: | Glass fiber filters: 240 L at 1 L/min. |
| Analytical Methodology: | HPLC/Fluorescence Detector. |
| Documentation: | 
096
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| 2-Naphthyl phenyl amine | C16H13N |
135-88-6 |
6.49 |
ng |
| 1-Naphthyl phenyl amine | C16H13N |
90-30-2 |
36 |
ng |
* 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.