I saw another
page today that claimed that their mercury vapor had 95% 254 nm light-energy let-through ...of the UV light.
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Approximately 95% of the ultraviolet energy emitted from Ster-L-Ray germicidal lamps is at the mercury resonance line of 254 nanometers
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Other interesting quotes for the UV home-builder:
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The high purity fused quartz used in Ster-L-Ray ozone producing lamps is transparent to both germicidal (254 nm) and ozone producing (185 nm) wavelengths.
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Cold Cathode Germicidal Lamps -...are instant starting and utilize a large cylindrical cathode instead of a tungsten filament. Due to this construction the lamp is not adversely affected by frequent starting and the life is considerably in excess of other lamp types.
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