Kev sib xyaw ua ke ntawm fluorescent kua txiv hmab txiv ntoo thiab lub cev detergent pib thaum xyoo 1940. Txawm tias nws tsis siv rau hauv detergents, nws txoj kev ntxuav hniav dawb thiab ci ntsa iab yog qhov yooj yim heev, yog li ntawd nws tau raug xaiv los ntawm lub tshuab ntxhua khaub ncaws.
Cov tshuaj fluorescent whitening yog ib tug fluorescent dye uas, nyob rau hauv irradiation ntawm lub teeb ultraviolet, muaj peev xwm excite xiav thiab violet lub teeb thiab ua kom tiav lub teeb daj ntawm lub substrate kom muaj ib cov nyhuv xim. (GB / T 6687-2006 dye terminology)
Cov neeg ua hauj lwm fluorescent whitening no kuj yog hu ua "optical brighteners" vim lawv siv cov xim pleev xim rau lub ntsej muag, dawb, thiab ci ntsa dawb los sis lub teeb xim dawb (xws li textiles, paper, plastics, etc.). "Dawb fluorescent zas" thiab cov zoo li no.
Hu rau: Yi Fei
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