Vertical distribution of 210Pb and 226Ra and their activity ratio in marine sediment core of the East Malaysia coastal waters

Zal U Yun Wan Mahmood, Che Abd. Rahim Mohamed, Abdul Kadir Ishak, Nita Salina Abu Bakar, Kamaruzzaman Ishak

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Marine sediment cores were collected from two stations at East Malaysia coastal waters on June 2004. Activity concentrations of 210Pb in sediment core were ranged from 11 Bqkg-1 to 84 Bqkg-1 dry wt. for SR 01 and 4 Bqkg-1 to 66 Bqkg-1 dry wt. for SB 03. Meanwhile, activity concentrations of 226Ra in sediment core were varied significantly depending on the sampling location of SR 01 and SB 03 with ranged 17-26 Bqkg-1 dry wt. and 8-11 Bqkg-1 dry wt., respectively. The activity ratios of 210Pb/226Ra were no significantly different at all sampling stations with an average of 1.78. Refer to the entire results; the activities of 210Pb and 226Ra were higher at station SR 01 than station SB 03, but contrast with ratio of 210Pb/226Ra. The reasons of different 210Pb and 226Ra activity concentration and distribution of their ratios were strictly related to their half lives, environment origin, potential sources and behavior.

Original languageEnglish
Pages (from-to)953-959
Number of pages7
JournalJournal of Radioanalytical and Nuclear Chemistry
Volume289
Issue number3
DOIs
Publication statusPublished - Sep 2011

Fingerprint

Geologic Sediments
Malaysia
Sediments
Water
Sampling

Keywords

  • Pb
  • Ra
  • Activity ratio
  • Coastal
  • Distribution
  • Sediment core

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Spectroscopy
  • Public Health, Environmental and Occupational Health
  • Pollution
  • Health, Toxicology and Mutagenesis
  • Nuclear Energy and Engineering
  • Analytical Chemistry

Cite this

Vertical distribution of 210Pb and 226Ra and their activity ratio in marine sediment core of the East Malaysia coastal waters. / Mahmood, Zal U Yun Wan; Mohamed, Che Abd. Rahim; Ishak, Abdul Kadir; Bakar, Nita Salina Abu; Ishak, Kamaruzzaman.

In: Journal of Radioanalytical and Nuclear Chemistry, Vol. 289, No. 3, 09.2011, p. 953-959.

Research output: Contribution to journalArticle

Mahmood, Zal U Yun Wan ; Mohamed, Che Abd. Rahim ; Ishak, Abdul Kadir ; Bakar, Nita Salina Abu ; Ishak, Kamaruzzaman. / Vertical distribution of 210Pb and 226Ra and their activity ratio in marine sediment core of the East Malaysia coastal waters. In: Journal of Radioanalytical and Nuclear Chemistry. 2011 ; Vol. 289, No. 3. pp. 953-959.
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