Determination of heavy metals (Cd, Cr, Cu, Fe, Ni, Pb, Zn) by ICP-OES and their speciation in Algerian Mediterranean Sea sediments after a five-stage sequential extraction procedure

2007 ◽  
Vol 135 (1-3) ◽  
pp. 265-280 ◽  
Author(s):  
Ahmed A. Alomary ◽  
Soraya Belhadj
Keyword(s):  
Heavy Metals ◽  
Sequential Extraction ◽  
Mediterranean Sea ◽  
Extraction Procedure ◽  
Sequential Extraction Procedure ◽  
Icp Oes

Speciation of heavy metals in untreated sewage sludge by using microwave assisted sequential extraction procedure

2009 ◽  
Vol 163 (2-3) ◽  
pp. 1157-1164 ◽  
Author(s):  
Muhammad K. Jamali ◽  
Tasneem G. Kazi ◽  
Muhammad B. Arain ◽  
Hassan I. Afridi ◽  
Nusrat Jalbani ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Sewage Sludge ◽  
Sequential Extraction ◽  
Extraction Procedure ◽  
Sequential Extraction Procedure ◽  
Microwave Assisted ◽  
Untreated Sewage

Sequential Extraction Procedure for the Determination of Some Trace Elements in Fertilizer Samples

2014 ◽  
Vol 97 (4) ◽  
pp. 1034-1038 ◽  
Author(s):  
Yunus Emre Unsal ◽  
Mustafa Tuzen ◽  
Mustafa Soylak
Keyword(s):  
Sequential Extraction ◽  
Total Concentration ◽  
Extraction Procedure ◽  
Absorption Spectrometry ◽  
Sequential Extraction Procedure ◽  
Sufficient Information ◽  
Dilute Acid ◽  
Flame Atomic Absorption ◽  
Mn Oxides

Abstract Total concentration of metal ions at trace levels does not give sufficient information about toxicity and biological availability of these elements in fertilizer samples. In the presented work, a sequential extraction procedure modified by the European Community Bureau of Reference (BCR) was applied to fractionate Cd, Cr, Co, Cu, Fe, Pb, Mn, Ni, and Zn levels in two fertilizer samples collected from cooperative agricultural retailers. The fractions extracted were exchangeable/dilute acid soluble, reducible bound to Fe/Mn oxides, oxidizable bound to organic matter and sulfides, and residual. The determination of analyte elements was done by flame atomic absorption spectrometry. The accuracy of the procedure was validated with BCR-701 sediment certified reference material. The RSD of the procedure was less than 10%.

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