Methods: MTT method for determition of CHL Cell IC 5 0, Salmonella mutagenicitytest, and mouse acute toxicity test were used.
方法:CHL细胞采用MTT比色法,沙门氏菌诱变性试验和小鼠急性毒性试验。
2
Methods Acute oral toxicity test, subchronic inhalation toxicity test and mutagenicitytest were conducted to observe the effects of petroleum asphalt in experimental animals.