引用本文:
汪鹏飞, 吴世康. 对-羟基苄叉丙二腈溶液在不同pH条件下吸收光谱的变化[J]. 物理化学学报,
1991, 7(05): 582-585.
doi:
10.3866/PKU.WHXB19910513
Citation: Wang Peng-Fei, Wu Shi-Kang. The Change of Absorption Spectrum of 4-Hydroxybenzylidene Malononitrile Solution Under Conditions of Different pH Value[J]. Acta Physico-Chimica Sinica, 1991, 7(05): 582-585. doi: 10.3866/PKU.WHXB19910513
Citation: Wang Peng-Fei, Wu Shi-Kang. The Change of Absorption Spectrum of 4-Hydroxybenzylidene Malononitrile Solution Under Conditions of Different pH Value[J]. Acta Physico-Chimica Sinica, 1991, 7(05): 582-585. doi: 10.3866/PKU.WHXB19910513
对-羟基苄叉丙二腈溶液在不同pH条件下吸收光谱的变化
English
The Change of Absorption Spectrum of 4-Hydroxybenzylidene Malononitrile Solution Under Conditions of Different pH Value
Abstract:
The absorption spectra of 4-hydroxybenzylidene malononitrile in different solvent systems have been studied in this work. It was found that this compound has a proton equilibrium under the different pH condition that results in a variation of absorption spectra observed. Thereby, the title compound is expected to be used as a new acidic indicator in nonaqueous media.
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