Rare-earth elemental analysis of banded iron-formations by instrumental neutron activation analysis

被引：3

作者：

Nayak, P. K. ^{[1
,2
]}

Wierczinski, B. ^{[3
,4
]}

Lahiri, S. ^{[5
]}

机构：

[1] Tata Inst Fundamental Res, Dept High Energy Phys, Bombay 400005, Maharashtra, India

[2] AK Coll Engn, Dept Basic Sci, Krishnankoil 626190, Tamil Nadu, India

[3] Delft Univ Technol, Dept Radiochem, Interfac Reactor Inst, NL-2629 JB Delft, Netherlands

[4] Univ Munich, Inst Radiochem, D-85748 Garching, Germany

[5] Saha Inst Nucl Phys, Div Chem Sci, Kolkata 700064, W Bengal, India

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2008年 / 278卷 / 01期

关键词：

D O I：

10.1007/s10967-007-7170-7

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Representative banded iron-formations (BIFs) from various locations of the eastern Indian geological belt were investigated by instrumental neutron activation analysis (INAA). After pre-concentration, irradiation was carried out using a neutron flux of 5.1.10(16) m(-2).s(-1), 1.0.10(15) m(-2). s(-1) and 3.7.10(15) m (-2).s(-1), with thermal, epi-thermal and fast neutrons, respectively. The activities in these samples were measured by a HPGe detector. Ten rare-earth elements, such as La, Ce, Nd, Sm, Eu, Tb, Ho, Tm, Yb and Lu, have been qualitatively identified and quantitatively estimated in these samples. The present investigation is an example of employing a pre-concentration method for high iron-containing ores prior to neutron activation analysis.

引用

页码：179 / 184

页数：6

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