Hexavalent Chromium Dissociation From Overspray Particles Into Fluid For Three Aircraft Primers
The Department of Defense and industry use chromate-containing primer paints extensively to inhibit corrosion on metal assets. Chromate, a primer pigment, provides excellent corrosion inhibition, but contains hexavalent chromium (Cr6+), a human carcinogen. There is no reliable epidemiological evidence of increased lung cancer incidence among painters potentially exposed to primer overspray particl...
Paperback: 130 pages
Publisher: BiblioScholar (October 17, 2012)
Product Dimensions: 7.4 x 0.3 x 9.7 inches
Format: PDF ePub djvu ebook
- 9781249833253 pdf
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- Richard A. Schilke epub
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s. Using ioaerosol impingers, overspray particles from three different primers (solvent-borne epoxy, water-borne epoxy, and solvent-borne polyurethane) were collected into water to test the hypothesis that the paint matrix influences Cr6+ release into water. This collection method is intended to simulate Cr6+ release from paint particles into lung fluid. Collected particles were allowed to reside in the water for 1 and 24 hours after which the particles were separated from the water by centrifugation.