Chemical speciation of heavy metals in the Tigris River sediment

被引：43
|
作者：
Gümgüm, B [1 ]
Öztürk, G [1 ]
机构：
[1] Dicle Univ, Dept Chem, TR-21280 Diyarbakir, Turkey
来源：
CHEMICAL SPECIATION AND BIOAVAILABILITY | 2001年 / 13卷 / 01期
关键词：
heavy metals; microwave digestion; sediment; sequential extraction; speciation;
D O I：
10.3184/095422901782775453
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
After determination of total heavy metal concentrations in Tigris river sediments, a Tessier sequential extraction technique and a modified form using a microwave heating procedure were applied. Recoveries of total heavy metals from the sediment samples using the microwave and conventional techniques were reasonably comparable, in spite of a big difference in time required. 44-46% of Co, 24-36% of Cu, 69-81 % of Ni, and 55-73% of Zn were found in the residual fraction (i.e. not bioavailable).
引用
收藏
页码：25 / 29
页数：5
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