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<span style="font-size:12.0pt;font-family:"Times New Roman";mso-bidi-font-weight: bold" lang="EN-US">Assessment of heavy metals by ligand-less cloud point extraction in sediment and <i>Holothuria parva </i>(Echinodermata, Holothuroidea) </span>

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Title Assessment of heavy metals by ligand-less cloud point extraction in sediment and Holothuria parva (Echinodermata, Holothuroidea)
 
Creator Givianrad, Mohammad-Hadi
Larijani, Kambiz
Jamili, Shahla
Adeli, Behjat
 
Subject Holothuria parva
Heavy metals
Bioindicator
Cloud point extraction
 
Description 825-830
The concentrations of
heavy metals were determined in organs of Holothuria parva and sediment
from three stations in the Qeshm, Iran. A ligand-less Cloud Point
Extraction (CPE) procedure was used for preconcentration of trace metals as
pretreatment step to determination of lead and cadmium by Graphite Furnace
Atomic absorption Spectrometry (GFAAS). Concentration of heavy metals in body
wall, gut and sediment were obtained 14.05, 5.72 and 41.66 µg/g for lead and
0.722, 0.493 and 3.27 µg/g for cadmium, respectively. Limit of detection (LOD)
values of lead and cadmium were 0.037 and 0.028 µg/g, respectively. Relative
standard deviation (RSD) for six replicate determinations of lead and cadmium
were 2.68% and 1.20%, respectively. Concentrations of lead and cadmium in
sediments and organs of sea cucumbers

differed significantly,
suggesting that this sea cucumber should not be considered as an ideal
bioindicator of lead and cadmium pollutants in the sediment.
 
Date 2016-06-23T11:30:47Z
2016-06-23T11:30:47Z
2014-05
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://hdl.handle.net/123456789/28768
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.43(5) [May 2014]