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Appl Radiat Isot. 2016 Jun;112:131-5. doi: 10.1016/j.apradiso.2016.03.026. Epub 2016 Mar 24.

Method for rapid screening analysis of Sr-90 in edible plant samples collected near Fukushima, Japan.

Author information

1
Iwaki Radiation Measuring Centre, Tarachine, 11-3 Hanabatake-cho, Onahama, Iwaki-city, Fukushima 971-8162, Japan. Electronic address: hikaru0312@emobile.ne.jp.
2
Iwaki Radiation Measuring Centre, Tarachine, 11-3 Hanabatake-cho, Onahama, Iwaki-city, Fukushima 971-8162, Japan.

Abstract

A screening method for measuring (90)Sr in edible plant samples by focusing on (90)Y in equilibrium with (90)Sr is reported. (90)Y was extracted from samples with acid, co-precipitated with iron hydroxide, and precipitated with oxalic acid. The dissolved oxalate precipitate was loaded on an extraction chromatography resin, and the (90)Y-enriched eluate was analyzed by Cherenkov counting with a TDCR liquid scintillation counter. (90)Sr ((90)Y) concentration was determined in plant samples collected near the damaged Fukushima Daiichi Nuclear Power Plants with this method.

KEYWORDS:

Cherenkov counting; Edible plant samples; Fukushima; Solid chromatography; Strontium-90/Yttrium-90; TDCR method

PMID:
27043171
DOI:
10.1016/j.apradiso.2016.03.026
[Indexed for MEDLINE]

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