建立了测定5-磺基水杨酸的流动注射化学发光新方法.研究了影响化学发光强度的因素,并初步探讨了可能的发光机理.在最佳化学发光条件下,化学发光强度与5-磺基水杨酸浓度在5.0×10-8～2.0×10-5 mol/L范围内呈良好的线性关系,检出限为1.0×10-8 mol/L,对5.0×10-6mol/L的5-磺基水杨酸平行测定9次,其相对标准偏差为2.7％.该法可用于强力霉素废水中5-磺基水杨酸的测定.
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