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

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页码：25 / 29

页数：5

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