Paper Information

Journal:   JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY   FALL 2007 , Volume 9 , Number 3 (34); Page(s) 93 To 101.
 
Paper: 

STUDY OF TOXICITY EFFECTS OF NICKEL AND VANADIUM ON THE TWO SPECIES OF ARTEMIA FRANCISCANA AND ARTEMIA URMIANA

 
Author(s):  BANI AAMAM M.*, NEJATKHAH MANAVI P., YADEGARIAN L.
 
* FACULTY OF MARINE SCIENCES AND TECHNOLOGY, TEHRAN NORTH BRANCH, ISLAMIC AZAD UNIVERSITY
 
Abstract: 
This research studies the toxicity effect of vanadium and nickel compounds on Artemia urmiana and Artemia franciscana under laboratory conditions in short-term (acute) methods. While performing the experiment, the physical and chemical characteristics of water such as temperature, pH, soluble oxygen, hardship and electric direction were controlled. The experiments were done on the control group which received no metal, and 17 treatment groups which were exposed to different concentrations of nickel and vanadium.
The amount of LC50 vanadium and nickel was 0.01146 and 0.007201 ml/lit for Artemia urmiana, and 0.01158 and 0.0107 ml/lit for Artemia franciscana. The results showed that nickel and vanadium had toxic efforts on the two species of A. franciscana and, A. urmiana. Although both species showed a high resistance against nickel and vanadium, the toxicity effect of vanadium on A. urmiana was more than that of nickel. However, the toxicity effects of nickel and vanadium on A. franciscana were the same and no significant difference was observed.
 
Keyword(s): VANADIUM, NICKEL, ARTEMIAURMIANA, ARTEMIA FRANCISCANA, LC50
 
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