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#applications: ����the appliance is widely used in:examining all that could cr-eate fluorescent medicines such as protein��in science research;alkaline vitamin in hormone organism in medicine research; analyzing spots on thin layer ��nd paper layer; machinery like dyestuff��coating, rubber, petroleum;appraising all kinds of fluorescent materials,fluorescent indicator ��nd additive;examining quality of finished products like wool��manmade fixture,cotton in textile chemistry;testing quality of food additive,deteriorating vegetable,fruit by food bureau;checking different mineral ��nd recognizing cultural relic fossil by archaeology department. ����the appliance using 220v for elec.source,the working elce.source is 140° ma ,the using lifespan of lamp pipe is about 500 hours ��nd the transmitting rate of ultraviolet filter 20%.