Method for reducing lead leaching in fixtures
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United States of America Patent
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May 18, 1999
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N/A
app pub date -
Sep 24, 1997
filing date -
Sep 24, 1997
priority date (Note) -
Expired
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Abstract
A method for treating a brass fixture having a fluid-contacting surface with lead dispersoids exposed thereon to reduce lead leaching into a fluid supply by contacting the brass fixture with a liquid metal solution selected from the group consisting of a liquid sodium solution, a liquid potassium solution and a liquid metal alloy solution to dissolve lead dispersoids from the fixture, wherein the metal alloy comprises a metal selected from the group consisting of sodium and potassium.
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