This method is for the collection and analysis of titanium dioxide from workplace air. The sample is collected on a mixed cellulose ester membrane (MCE) filter. After collection the filter is digested with nitric acid, solubilized with sulfuric acid and ammonium sulfate, and analyzed by ICP (inductively couple plasma).
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| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | None specified in the method. |
| Preservatives: | None specified in the method. |
| Required Preps: | 37mm MCE filter with 0.8 micron pore size |
| Collection Method: | The method recommends a 1.5 L/min. flow rate with a 100L sample collection volume. |
| Analytical Methodology: | ICP |
| Documentation: | 
S385
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Titanium dioxide | TiO2 |
13463-67-7 |
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.