A STUDY ON THE REPRODUCIBILITY OF TESSIER EXTRACTIONS IN A FLUVIAL SEDIMENT AND A COMPARISON BETWEEN DIFFERENT DISSOLUTION PROCEDURES IN A REFERENCE MATERIAL

被引：25

作者：

ACCOMASSO, GM ^{[1
]}

ZELANO, V ^{[1
]}

DANIELE, PG ^{[1
]}

GASTALDI, D ^{[1
]}

GINEPRO, M ^{[1
]}

OSTACOLI, G ^{[1
]}

机构：

[1] UNIV TURIN,DIPARTIMENTO CHIM ANALIT,VIA P GIURIA 5,I-10125 TURIN,ITALY

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 1993年 / 49卷 / 09期

关键词：

D O I：

10.1016/0584-8539(93)80029-A

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The reproducibility of Tessier's extractions and the total content of cadmium, chromium, copper, iron, manganese, lead, zinc and calcium in a river sediment have been evaluated. The metals were determined with AAS in flame and in graphite furnaces. The accuracy of the dissolution procedures was evaluated using a reference material (RM) BCR 145; none of the methods applied proved optimal for all the metals determined. The concentrations of metals extracted by the various reagents were characterized by good reproducibility on species bonded to the carbonates, to iron and manganese oxides and in the residual; precision was lower in the other cases. The sequential extractions also showed a satisfactory mass balance.

引用

页码：1205 / 1212

页数：8

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