The Change of Absorption Spectrum of 4-Hydroxybenzylidene Malononitrile Solution Under Conditions of Different pH Value
Wang Peng-Fei; Wu Shi-Kang
Acta Phys. -Chim. Sin. . 1991, (05): 582 -585 .  DOI: 10.3866/PKU.WHXB19910513