A method for simultaneous separation and determination of two coumarins,dicumarol and cyclocoumarol,in cosmetics by HPLC-diode-array detector(DAD) was developed.
建立了用高效液相色谱(HPLC)/二极管阵列检测器(DAD)测定化妆品中两种物质——双和环的方法。
A method for simultaneous separation and determination of two coumarins,dicumarol and cyclocoumarol,in cosmetics by HPLC-diode-array detector(DAD) was developed.
建立了用高效液相色谱(HPLC)/二极管阵列检测器(DAD)测定化妆品中两种物质——双和环的方法。
It has been proved in our experiments that (1) Dihydrocoumarin can be formed from the reaction between coumarin and tetralin;
本实验证明了: (1)和四氢萘反应氢化;
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