This method is used for the determination of Aluminum compounds. The sample is collected on cellulose ester membrane filters, ashed in concentrated nitric acid @ 140 °C, and then analyzed by flame atomic absorption. The working range is 0.5 to 10 mg/m³ for a 100 L sample. This is an elemental analysis, and not compound specific. Verify that the types of compounds in the samples are soluble with this ashing procedure. Aliquots of samples can be analyzed separately for approximately four additional methods. NOTE: This is method P&CAM 173 for aluminum in a revised format. Method 7300 (ICP-AES) is an alternative analytical method.
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | Stable |
| Preservatives: | Stable |
| Required Preps: | Cellulose ester membrane filter (0.8µm pore size). |
| Collection Method: | Filter: 10L - 400L @ 1 to 3 L/min. |
| Analytical Methodology: | Flame Atomic Absorption. |
| Documentation: | 
7013
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Aluminum oxide | Al2O3 |
1344-28-1 |
0.01 |
mg |
| Aluminum | Al |
7429-90-5 |
2 |
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.