为测定半光亮镀镍体系中添加剂磺基水杨酸的浓度,采用紫外分光光度法研究了pH值、无机盐等对磺基水杨酸吸光度的影响,建立了镀液中磺基水杨酸浓度的分析方法.结果表明,该方法快速、准确,可用于工业半光亮镀镍体系中添加剂磺基水杨酸浓度的现场分析.首次观察到磺基水杨酸在半光亮镍电镀过程中不消耗,磺基水杨酸分子中的硫不会进入镀镍层.
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