Method to control leachable mercury in fluorescent lamp

Details Method to control leachable mercury in fluorescent lamp Method to control leachable mercury in fluorescent lamp

1997-12-15

1999-09-07

O'Shea, Sandra

Electric lamp and discharge devices

Having vapor generating material

Mercury vapor material

313567, 313571, H01J 1726

Patent

active

059491892

ABSTRACT:
The formation of leachable mercury upon disposal or during TCLP testing of mercury vapor discharge lamps is substantially prevented by maintaining the amount of elemental iron at a level of less than about 1.1 milligrams per kilogram of total lamp material.

REFERENCES:
patent: 5229686 (1993-07-01), Fowler et al.
patent: 5229687 (1993-07-01), Fowler et al.
patent: 5736813 (1998-04-01), Foust et al.
patent: 5754002 (1998-05-01), Haitko et al.
patent: 5777434 (1998-07-01), Dietrich et al.
patent: 5821682 (1998-10-01), Foust et al.

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