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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Salmons, Cynthia Winstead, Wayne Gutknecht, William Sorrell, Kristen Harper, Sharon L. Binstock, David Haas, Curtis McCombs, Michelle Brown, Gordon |
| Copyright Year | 2012 |
| Abstract | Lead in paint continues to be a threat to children's health in cities across the United States, which means there is an ongoing need for testing and analysis of paint. This ongoing analytical effort and especially development of new methods continue to drive the need for diagnostic testing materials that provide the analytical challenges of real-world paints. To this end, 31 different types of paint test materials were developed and prepared. Preparation of the materials included development of lead-containing paint films yielding an overall relative standard error for one individual test sample being less than 10%. The 31 diagnostic test materials prepared with these paint films included two lead pigments; lead concentrations from nominally 0 to 2.0 mg lead/cm2 (0 to 5% lead by weight); overlayers of both “lead-free,” oil-based and water-based paints; Al, Ba, and Mg as potential chemical interferents; red and black potential color interferents; and substrates of wood, metal, masonry, and plaster. These materials challenge each step in method development and evaluation, including paint sample collection and preparation, lead extraction, and measurement of solubilized lead. When the materials were used to test performance of a new lead-in-paint testing method based on extraction using a rotor/stator method and measurement using turbidimetry, the results agreed to within ±20% of the expected lead values for 30 out of 31 of the diagnostic test materials, thereby demonstrating their levels of quality and utility. |
| Starting Page | 1417 |
| Ending Page | 1427 |
| Page Count | 11 |
| File Format | HTM / HTML PDF |
| ISSN | 14640325 |
| Volume Number | 14 |
| Issue Number | 5 |
| Journal | Journal of Environmental Monitoring |
| DOI | 10.1039/c2em11004k |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Ba United States Standard error Wood Stator Turbidimetry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Public Health, Environmental and Occupational Health Management, Monitoring, Policy and Law |
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