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.
Your Ad Here El Paso County is the westernmost county in the U.S. state of Texas. According to the 2007 U.S. Census population estimates, the county had a population of 755,085. Its county seat is El Paso. HistoryEl Paso is Spanish for the Pass. It is named for the pass the Rio Grande creates through the mountains on either side of the river.