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, Texas, Information There is plenty to see and do in the Rio Grande Valley at the beginning of the Rocky Mountains. Experience walking tours of Downtown to get a taste of the history that spans 400 years, shopping, outdoor concerts at the Chamizal National Memorial, museums of every kind, the Zoo, and nature hikes through four Texas State Parks. Come be a part of El Pasoâs music and dance festivals, sports events, arts and culture.