This is a method for determination of benzoic acid,sorbic acid,saccharin sodium in drink by HPLC.The sample would be determined after dilution and filterin g by membrane syrin ge filter.

• 将饮料样品定量稀释后,用针筒式水膜过滤器处理后,直接进样,外标法进行液相色谱定性、定量分析。