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探讨了溴氯海因、硫酸锌、清苔净粉、二氧化氯、PVP粉、强氯精对瓯江唇hua鱼苗的急性毒性,并求出六种药物相应的安全浓度。结果显示,溴氯海因、硫酸锌、清苔净粉、二氧化氯、PVP粉、强氯精对瓯江唇hua鱼苗48h的半致死浓度分别为:2.836,7.058,4.672,2.329,9.182,0.239mg/L;安全浓度分别为:0.023,0.110,0.096,0.016,0.228,0.015mg/L;急性毒性由强至弱依次为:强氯精,二氧化氯,溴氯海因,清苔净粉,硫酸锌,PVP粉。并就六种药物对唇hua的急