信阳师范学院学报(自然科学版)
信暘師範學院學報(自然科學版)
신양사범학원학보(자연과학판)
JOURNAL OF XINYANG NORMAL UNIVERSITY(NATURAL SCIENCE EDITION)
2014年
1期
65-67
,共3页
汤匙华哲水蚤%铜离子%锌离子%急性毒性%联合毒性
湯匙華哲水蚤%銅離子%鋅離子%急性毒性%聯閤毒性
탕시화철수조%동리자%자리자%급성독성%연합독성
Sinocalanus dorrii%copper ions%zinc ions%acute toxicity%joint toxicity
通过单因子静态急性毒性试验法和等毒性溶液法分别研究了重金属离子铜、锌对汤匙华哲水蚤的急性毒性和联合毒性效应.急性毒性试验结果表明:铜、锌离子对汤匙华哲水蚤24 h半致死浓度( LC50)分别为0.481、3.221 mg/L;48h LC50分别为0.383、1.573 mg/L;72h LC50分别为0.315、0.471 mg/L.铜、锌联合毒性致毒特征表明:高强度的锌离子对铜离子有拮抗作用,高强度的铜离子对锌离子有协同作用.
通過單因子靜態急性毒性試驗法和等毒性溶液法分彆研究瞭重金屬離子銅、鋅對湯匙華哲水蚤的急性毒性和聯閤毒性效應.急性毒性試驗結果錶明:銅、鋅離子對湯匙華哲水蚤24 h半緻死濃度( LC50)分彆為0.481、3.221 mg/L;48h LC50分彆為0.383、1.573 mg/L;72h LC50分彆為0.315、0.471 mg/L.銅、鋅聯閤毒性緻毒特徵錶明:高彊度的鋅離子對銅離子有拮抗作用,高彊度的銅離子對鋅離子有協同作用.
통과단인자정태급성독성시험법화등독성용액법분별연구료중금속리자동、자대탕시화철수조적급성독성화연합독성효응.급성독성시험결과표명:동、자리자대탕시화철수조24 h반치사농도( LC50)분별위0.481、3.221 mg/L;48h LC50분별위0.383、1.573 mg/L;72h LC50분별위0.315、0.471 mg/L.동、자연합독성치독특정표명:고강도적자리자대동리자유길항작용,고강도적동리자대자리자유협동작용.
Acute toxicity and joint toxicity of copper , zinc on Sinocalanus dorrii are studied by single factor static acute toxicity test method and equal toxic solution method .Acute toxicity test results showed that the median lethal concentrations (LC50) of copper ions, zinc ions for 24 h to Sinocalanus dorrii were 0.481, 3.221 mg/L;LC50 for 48 h were 0.383, 1.573 mg/L;LC50 for 72h were 0.315, 0.471 mg/L.The joint toxicity presented characteristics shows that high-strength of copper ions performs synergistic effect and high-strength of zinc ions performs antagonistic effect to Sinocalanus dorrii.