| 简介 |
PROBLEM TO BE SOLVED : To provide a simple detection/evaluation method and a detector of a quasi-noncombustible treating agent on the construction execution site without troubling a person for guaranteeing the quality, by applying a flame retardant onto the wood surface or the like, and then evaluating and recording the state after quasi-noncombustible treatment.
SOLUTION : Ammonium phosphate which is a main component of the flame retardant used for the quasi-noncombustible treatment is chemically reacted with calcium hydroxide included in a detection reagent developed in this invention, to thereby synthesize calcium phosphate which is a phosphor base material. Then, activation is performed by adding a trace of a divalent or trivalent rare earth element or a transition metal element, to thereby produce a phosphor material. After generating the chemical reaction on the wood surface, a fluorescence is emitted by using UV light, and the fluorescent image is recorded by a digital camera and evaluated. |
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