建立了用反相高效液相色谱法(RP-HPLC)同时测定祛痘类化妆品中禁用物质安体舒通、过氧化苯甲酰和维A酸的含量.采用甲醇超声提取,HPLC法分离测定.3种被测物在11 min内均得到良好的分离.在1～200 mg/L范围内其浓度与峰面积呈良好的线性关系(r≥0.999 9);在添加质量浓度为1～10 mg/L时,回收率为88.2%～106.7%,相对标准偏差小于3.1%;最低检出限(S/N=3)为安体舒通0.101 μg,过氧化苯甲酰0.100 μg,维A酸0.107 μg.该法简便、快速、准确,可用于祛痘类化妆品中以上3种禁用物质的检测.
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