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Occupational Safety and Dental Mercury2018-01-12T18:42:06+00:00

The Weight of Wastes Generated by Removal of Dental Amalgam Restorations and the Concentration of Mercury in Dental Wastewater

The ISO-compliant separator reduced the concentration of mercury in the instantaneous flow-through discharge by 99.4%, from 31.2973 mg/L to 0.1800 mg/L. CONCLUSIONS: About 60% of the waste generated during the removal of amalgams escaped the primary and secondary solids collectors and was released into the wastewater. An ISO-certified amalgam particle separator was effective in removing the amalgam from the wastewater.

October 1st, 2002|

Laboratory evaluation of amalgam separators

This laboratory evaluation shows that amalgam separators removed at least 96.09 percent of the amalgam in samples with particle-size distribution as specified in ISO 11143. Total mercury concentration and total dissolved mercury concentration in the effluent varied widely for each amalgam separator. Additional research is needed to develop test methods to evaluate the efficiency of amalgam separators in removing small amalgam particles, colloidal amalgam particles and ionic mercury in solution.

May 1st, 2002|

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