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研究了Ｒｈ（Ⅲ）催化ＫＣｌＯ３－ＫＩ的反应与Ｉ２－Ｌｕｍｉｎｏｌ的化学发光反应相偶合，建立了测定痕量铑的化学发光新方法．对测定条件进行了优化，此方法具有较高的灵敏度，检测限达到３．８×１０－６μｇ／ｍＬＲｈ；线性浓度范围宽，为１×１０－５～１μｇ／ｍＬＲｈ．采用三正辛胺（ＴＯＡ）萃取色谱柱将铑（Ⅲ）分离出来，方法已用于测定贵金属离子混合液中的铑
The reaction of KClO3-KI catalyzed by Rh (Ⅲ) with the chemiluminescence reaction of I2-Luminol was studied. A new chemiluminescence method for the determination of trace rhodium was developed. The determination conditions were optimized, the method has high sensitivity, the detection limit of 3.8 × 10-6μg / mLRh; linear range of a wide range of 1 × 10-5 ~ 1μg / mLRh. Rhodium (Ⅲ) was separated by a TOA extraction column. The method was used to determine the rhodium