By using HPLC method,the contents of benzoic acid,saccharin acid and sorbis acid are tested in carbonioc acid drinks,ice black tea,and orange juice.

• 采用反相高效液相色谱法(HPLC)对碳酸饮料、冰红茶、橙汁中的苯甲酸、山梨酸、糖精钠含量进行了测定。