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报道了在含Ｉ－的Ａｓ（Ⅲ）和罗丹明Ｂ混合溶液中直接注射Ｃｅ４＋，通过记录化学发光持续时间对微量Ｉ－进行定量的偶合化学发光法。检出限为６．０ ×１０－８ｍｏｌ／Ｌ，线性响应的浓度范围为１．０×１０－７～１．０×１０－５ｍｏｌ／Ｌ。该法简便易行，所受的干扰小，用于加碘食盐、酱油及实际水样中微量Ｉ－的测定，结果满意。
Reported a direct chemiluminescence method for the quantification of trace I- in Ce (II) -containing As (III) and rhodamine B mixed solutions by recording the duration of chemiluminescence. The detection limit was 6.0 × 10-8mol / L and the linear response range was 1.0 × 10-7 ~ 1.0 × 10-5mol / L. The method is simple and easy, the interference suffered by a small, for iodized salt, soy sauce and the actual water samples in the determination of trace I, with satisfactory results.