This method is used for the determination of nickel carbonyl. The sample is collected on a prefilter followed by low-Ni charcoal sorbent tubes, desorbed in 3% Nitric acid, and then analyzed by graphite furnace atomic absorption. The working range is 0.00036 to 0.007 ppm (0.0025 to 0.05 mg/m³) nickel carbonyl for a 20 L air sample. NOTE: This revises P&CAM 344. A colorimetric method has also been recommended.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | 95% recovered after 17 days at room temperature. |
| Preservatives: | |
| Required Preps: | Prefilter and solid sorbent tubes (low Ni-coconut shell charcoal; 120mg/ 60mg). 37-mm, 0.8µm pore size, cellulose ester membrane. Tube: 8cm x 6mm OD x 4mm ID. |
| Collection Method: | Prefilter and solid sorbent tube: 7L to 80 L @ 0.05 to 0.2 L/min. |
| Analytical Methodology: | Graphite Furnace Atomic Absorption. |
| Documentation: | 
6007
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Nickel Carbonyl | C4NiO4 |
13463-39-3 |
0.01 |
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.