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餐具洗洁精是由呼和浩特市洗涤剂厂生产的新产品.由于餐具洗洁精广泛用于日常生活中,特别是直接用于餐具的洗涤,有必要对其致突变性进行诱变试验. 1.受试物:餐具洗洁精由呼市洗涤剂厂提供。2.菌球:用鼠伤寒沙门氏菌组氨酸营养缺陷型TA98、TA100两个突发变菌株,由中国预防医学中心提供,试验前经本室鉴定具有以下特性:组氨酸营养缺
Dishwashing detergent is a new product made by Hohhot Detergent Factory.As dishwashing detergent is widely used in daily life, especially for washing dishes directly, it is necessary to mutagenize mutagens.1 Subjects: dishwashing detergent provided by the Hohhot detergent factory. 2. Mycosphere: salmonella typhimurium tyrosine histidine auxotrophic TA98, TA100 two mutant strains, provided by the Chinese Preventive Medicine Center, identified by the laboratory before the test has the following characteristics: histidine deficiency