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EC number: -
CAS number: -
Mean Particle Size Distribution of Dust in Exposure Chambers
Particle Size (microns)
Per Cent Distribution
Less than 0.3
Average Body Weight and Average Weight of Lungs, Liver and Kidneys
in Animals in Inhalation Chambers After 225 Exposure Days
Average wet organ weight (grams)
Chamber 1 (control)
Chamber 3 *
*Includes organ weights of two guinea pigs which died prior to 225 days
Zirconium Content of Lune After 225 Exposure Days-
(% Zirconium by Weight)
2 (150 mg/m3)
3 (15 mg/m3)
Guinea pigs, rats and hamsters were exposed to 15 mg/m3 or 150 mg/m3
zirconium lactate, 7 hrs/day, 5 days/week for up to 285 days. The
exposed animals showed reduced weight gain, pathological changes
consistent with chronic interstitial pneumonitis, very little deposition
of fibrous tissue, no granuloma, and an increase in the zirconium
content of the lung tissue.
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