石墨炉原子吸收分光光度法测定一次性使用无菌注射器中重金属镉的含量

Determination of Trace Heavy Metal cadmium（Cd） in the Sterile Hypodermic Syringes for Single Use by Graphite Furnace Atomizer

目的建立一次性使用无菌注射器中重金属镉的含量测定方法。方法采用石墨炉原子吸收分光光度法测定一次性使用无菌注射器中重金属镉的含量。结果镉的平均回收率为96．02％；RSD为2．15％（n=5）。结论本法操作简便，结果准确。

Objective to establish a method for the determination of trace heavy metal cadmium （Cd）in Sterile hypodermic syringes for single use Method A graphite furnace atomizer were used to determine trace heavy metal cadmium （Cd） in Sterile hypodermic syringes for single use. Result： The recovery of cadmium（Cd） were 96.02 % , RSD were 2.15% . Conclusion：This method is simple , convenient and accurate.