ceramic coffee mugs wholesale blue fluorescence experiments, the reporter in the supermarket to buy a one-time random ceramic mugs three different price points, and prepared a standard A4 paper as a reference. ceramic mugs weighed number of laboratory personnel, of which 1 ceramic mugs 5.60 g, 2 ceramic mugs 4.64 grams, 3.74 grams 3 ceramic mugs. Each laboratory personnel cut out a section of each ceramic mugs, and A4 paper together, in a prepared ultraviolet fluorescent detection. The results showed that three ceramic mugss are reflected blue light, in which the mass of the lightest on the 3rd strong blue ceramic mugs, A4 paper is the most bright, ceramic mugss and paper proof has been added to the fluorescent whitening agent, but The ceramic mugs brightener levels far less than A4 paper. ● Experimental Analysis regular ceramic mugs professor, Department of Chemistry, Huazhong Agricultural University protective film Wang Yun introduced, adding fluorescent brighteners in the paper is to make it look white and bright. Commonly used A4 paper added fluorescent whitening agent component of a larger, long-term use of this white paper can affect vision, and in this                           
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