365bet中国官方网站

  • word of the day

    fluorescein

    fluorescein - 365bet中国官方网站 definition and meaning for word fluorescein

    Definition
    (noun) a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)
  • Download our Mobile App Today