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, TX. The El Paso region has had human settlement for thousands of years, with the earliest known cultures being maize farmers. More than 70 Fortune 500 companies have offices in El Paso, including Hoover, Eureka, Boeing, and Delphi. Total population: 649,121.