CPC G01N 21/645 (2013.01) [G01N 2021/6471 (2013.01); G01N 2201/12746 (2013.01)] | 19 Claims |
1. A device for performing dry calibration of a fluorescence detector, the device comprising a first layer comprising a dry phosphorescent material positioned adjacent to a second layer comprising a neutral density filter, and a housing containing the first and second layers.
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