Rare earth elements (REEs) as pollution indicator in sediment of Linggi River, Malaysia

被引：28

作者：

Elias, Md Suhaimi ^{[1
,2
]}

Ibrahim, Shariff ^{[1
]}

Samuding, Kamarudin ^{[3
]}

Kantasamy, Nesamalar ^{[1
]}

Ab Rahman, Shamsiah ^{[2
]}

Hashim, Azian ^{[2
]}

机构：

[1] Univ Teknol MARA UiTM, Fac Appl Sci, Sch Chem & Environm, Shah Alam 40450, Selangor, Malaysia

[2] Agensi Nuklear Malaysia, Analyt Chem Applicat Grp ACA, Waste & Environm Technol Div, Kajana 43000, Selangor, Malaysia

[3] Agensi Nuklear Malaysia, Environm Tracer Applicat Grp E TAG, Waste & Environm Technol Div, Kajang 43000, Selangor, Malaysia

来源：

APPLIED RADIATION AND ISOTOPES | 2019年 / 151卷

关键词：

Rare earth elements; Sediment; Linggi river; NAA; ICP-MS; PARTICULATE TRACE-METAL; MARINE-SEDIMENTS; HEAVY-METAL; ESTUARY; GEOCHEMISTRY; ISLAND;

D O I：

10.1016/j.apradiso.2019.05.038

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A study was carried out to determine the concentrations of rare earth elements (REEs) in Linggi river sediments collected from 113 sampling locations. The sediment analysis was performed by Neutron activation analysis (NAA) and Inductively coupled plasma - mass spectrometry (ICP-MS). The results of Linggi river sediment were normalized to "recent" reference shale values. The means of total concentrations of REEs (Sigma REE), light REEs (Sigma LREE) and heavy REEs (Sigma HREE) in Linggi sediment were 241.2, 219.2, and 22.0 mg/kg, respectively, which indicates enrichment compared to Sigma REE, Sigma LREE and Sigma HREE reference shale values. Results obtained from enrichment factors (EF) show no enrichment to moderate enrichment of Linggi sediments, indicating the sources of REEs pollution originated from natural and land-based activities. A similar pattern was observed by comparing the REEs values of Linggi sediments to other references shale values. Ce (delta Ce) and Eu (delta Eu) anomalies indicate Linggi sediments showed positive anomaly of Ce whilst negative anomaly of Eu.

引用

页码：116 / 123

页数：8

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