3 3 3 33 3 3 3 3 &lamba; Abs/&lamba; Em (for complex) = 250 ~320/~610 nm SDIP is a light yellow solid EuCl3 is in a colorless crystal Both are readily soluble in water Both components are stable at room temperature or 4°C Aqueous solutions of SDIP should be protected from light MW of SDIP: 449 MW of EuCl3: ~258 &lamba; Abs/&lamba; Em (for complex) = 250 ~320/~610 nm ~~ SDIP is a light yellow solid EuCl3 is in a colorless crystal 3 Both are readily soluble in water Both components are stable at room temperature or 4°C Aqueous solutions of SDIP should be protected from light MW of SDIP: 449 MW of EuCl3: ~258 3 ~