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扬子鳄卵不同部位中的Cu、Zn、Cd和Pb重金属元素分布 被引量:4

A Primelinary Study on Heavy Metal Elements (Cu,Zn,Cd and Pb) in Different Parts of the Eggs of Chinese Alligator (Alligator sinensis)
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摘要 With two whole infertile eggs and two incomplete infertile eggs (having shell membrane and shell) of Chinese Alligator ( Alligator sinensis ) from the artificial condition and the field in Anhui Province,the authors studied the concentration of four heavy metal elements (Cu,Zn,Cd and Pb) in the different parts (albumen,yolk,shell membrane and shell) with Atomic Absorption Spectroscopy (AAS).Our results showed that these four elements’ concentration was quite different in the different parts of the same egg.The concentration of these four elements from high to low is Zn,Cu,Pb,Cd in the albumen,yolk and shell membrane of the infertile egg.However the sequence is Zn,Pb,Cu,Cd in the shell of the infertile egg.The concentration of Zn (the highest is 63 29?mg/kg) is higher than the other three elements in the same egg.The concentration of Cu (the highest is 20 03?mg/kg) is higher in the shell membrane than the others parts of the same egg.The concentration of Pb (the highest is 26 8?mg/kg) is higher in the shell than the other parts of the same egg.The concentration of Cd (the minimum is 0 024?mg/kg) is much lower than the other three elements in the albumen,yolk and shell membrane of the same egg.In addition,our results also showed that the concentration of these four elements tended higher in the infertile egg from the artificial condition than that from the field.The results should be considered by Chinese Alligator Breeding Center. With two whole infertile eggs and two incomplete infertile eggs (having shell membrane and shell) of Chinese Alligator ( Alligator sinensis ) from the artificial condition and the field in Anhui Province,the authors studied the concentration of four heavy metal elements (Cu,Zn,Cd and Pb) in the different parts (albumen,yolk,shell membrane and shell) with Atomic Absorption Spectroscopy (AAS).Our results showed that these four elements' concentration was quite different in the different parts of the same egg.The concentration of these four elements from high to low is Zn,Cu,Pb,Cd in the albumen,yolk and shell membrane of the infertile egg.However the sequence is Zn,Pb,Cu,Cd in the shell of the infertile egg.The concentration of Zn (the highest is 63 29?mg/kg) is higher than the other three elements in the same egg.The concentration of Cu (the highest is 20 03?mg/kg) is higher in the shell membrane than the others parts of the same egg.The concentration of Pb (the highest is 26 8?mg/kg) is higher in the shell than the other parts of the same egg.The concentration of Cd (the minimum is 0 024?mg/kg) is much lower than the other three elements in the albumen,yolk and shell membrane of the same egg.In addition,our results also showed that the concentration of these four elements tended higher in the infertile egg from the artificial condition than that from the field.The results should be considered by Chinese Alligator Breeding Center.
出处 《Zoological Research》 CAS CSCD 北大核心 2001年第3期253-256,共4页 动物学研究(英文)
基金 教育部优秀青年教师基金 上海市曙光计划基金资助 (No 98SG0 8) 部分野外工作由国际野生生物保护协会 (TheWildlifeConservationSo
关键词 原子吸收分光光度法 扬子鳄 未受精卵 重金属元素 AAS Alligator sinensis Infertile egg Heavy metal elements
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