| 简介 |
Process for preparing compounds [...] luminescent rare earth based in doped barium aluminate having persistence bright and resulting product. The main purpose of the present application is the development of a method for producing rare earth based phosphors exhibiting three different emission colors in addition to displaying the phenomenon of persistence luminescent optical labels to be used. The process of obtaining the phosphorus "three-color" with luminescent persistence is initially in utilizing reagents concentration starting A.R. reagents used in this work were barium nitrate A.R., al~2~o~3~, I (no~3~).~~~, 3 6H 1 2~o and dy (no~3~).~~~, 3 6H 1 2~o (both prepared from the respective oxides A.R.). |
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