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建立了碘的反相高效液相色谱测定方法。色谱条件为:Shim-Pack CLC-ODS柱;流动相为甲醇-水(20:80);流速为1mL/min;检测波长为290nm。本方法的线性范围为0.10~10 mg/L;相对标准偏差为1.1%~1.4%;加标回收率为97%~101%。所建立的方法已用于医用碘酒的测定。
A method for the determination of iodine by reversed-phase high performance liquid chromatography was established. The chromatographic conditions were as follows: Shim-Pack CLC-ODS column; the mobile phase was methanol-water (20:80); the flow rate was 1 mL / min; the detection wavelength was 290 nm. The linear range of this method was 0.10 ~ 10 mg / L; the relative standard deviation was 1.1% ~ 1.4%; the recoveries were 97% ~ 101%. The established method has been used for the determination of medical iodine.