Furthermore, the addition of salts such as KI, Ca(SCN)2, or Mg(ClO4)2 to solutions of the betaine dye in acetonitrile also induces a hypsochromic shift of the electronic absorption spectrum that increases with me charge density of the cations. The combination of both properties is termed ...
L29: Phenylglyoxylic acid photodecarboxylation WR: 254–405 nm; Φ = 0.6–0.8 in acidic acetonitrile–water (3:1 v/v) solutionAM: absorbance at 360–390 nm, potentiometry, HPLC, NMR PP: moderately dependent on λ; strongly dependent on pH and water content. Reproducibility betterthan ±0.05...