明矾是饮食业使用量较大的一种食品添加剂,使用量为面粉重量的3%以上,很多饭店成吨进货。为查明这种添加剂的质量,我们结合哈医大卫生系工农兵学员在我站实习,对全市42户饭店和明矾生产单位进行了一次普查和质量检验。一、供应和生产单位的调查 Alum is a food additive that is used in the catering industry at a dosage of more than 3% of the flour weight, and many restaurants purchase in tons. In order to find out the quality of this kind of additive, we combined the workers and peasants and soldiers of Harbin Medical University Department of Health to practice at our station and carried out a census and quality inspection on the 42 hotels and alum production units in the city. First, the supply and production units survey