Control of leachable mercury in small diameter fluorescent lamps
A method for inhibiting the leaching of mercury from a mercury vapor discharge lamp having a diameter of less than 1.5 inches wherein at least a part of the mercury is present as ionic mercury includes depositing a coating of SnO2 on an interior surface of the lamp envelope. Further included within...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A method for inhibiting the leaching of mercury from a mercury vapor discharge lamp having a diameter of less than 1.5 inches wherein at least a part of the mercury is present as ionic mercury includes depositing a coating of SnO2 on an interior surface of the lamp envelope. Further included within the lamp is a quantity of oxidizable iron in an amount equal to at least 1 gram per kilogram of lamp weight. |
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