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环境化学  2015 

液相吸收-高效液相色谱法测量气相OH方法的建立

Keywords: 氢氧自由基,液相吸收,高效液相色谱,测量

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Abstract:

利用水杨酸溶液吸收气相OH自由基,生成的荧光产物2,5-二羟基苯甲酸用高效液相色谱法分离测定,推算得到气相OH浓度,根据此原理在实验室条件下,建立了气相OH自由基的测定方法,并利用气相OH标准发生源确定了最优实验条件,得到了气相OH浓度与荧光响应关系,由液相吸收-高效液相色谱法测定的浓度与标准OH气流中的理论浓度比较一致。

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