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糖精纳及苯甲酸均为化学合成的食品添加剂·分别作为甜味剂及防腐剂广泛使用于食品中。长期过量摄入有害于食用者的健康，因此我国及世界各国均对这两种物质在食品中的最大使用量及使用范围制定有严格的限制标准。在日常工作中，同一份样品如需测定以上两种物质，一般均将两个
Saccharin and benzoic acid are both chemically synthesized food additives. They are widely used as sweeteners and preservatives in foods. Long-term excessive intake of harmful to the health of consumers, so our country and the rest of the world are on the maximum use of these two substances in food and the use of the development of strict restrictions. In the daily work, the same sample for the determination of the above two substances, usually two