âFading occurs when any chemical process breaks the sequence of conjugated double bonds constituting the chromophore - the dye moiety that imparts colour.â âSome other dye systems are based on the chromophores triphenylmethane, xanthene, anthroquinone, indigo, and phthalocyanine.â
El Paso (/Él ËpÃ¦soÊ/ ell PASS-oh; from Spanish, the pass) is the seat of El Paso County, Texas, United States. The city is situated in the far western corner of the U.S. state of Texas.
El Paso County is included in the El Paso, TX Metropolitan Statistical Area. Along with Hudspeth County, it is one of only two counties in the state of Texas to fall into the Mountain Time Zone, instead of Central Time. It is one of the nine counties that comprise the Trans-Pecos region of West Texas.