Control of leachable mercury in fluorescent lamps

摘要

A method for inhibiting mercury from leaching from a mercury vapor discharge lamp wherein at least a part of said mercury is present as ionic mercury comprises including within a lamp a quantity of SnO₂, said quantity corresponding preferably to a density of about 40 micrograms/liter; and further including within the lamp an amount of oxidizable iron, the amount of iron being at least 1 gram per kilogram of lamp weight.