Photostimulated luminescence applicable to pre-screening of potassium-rich phases in chondritic breccias

Tatsunori Yokoyama, Keiji Misawa, Osamu Okano, Haruka Minowa, Takaaki Fukuoka

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The identification of alkali-rich components in extraterrestrial materials along with their separation from other constituents is indispensable for subsequent cosmochemical and isotopic studies. This paper presents a simple pre-screening method for such materials by autoradiography using imaging plates (IPs), which is applicable to identification of mm-sized samples containing ca. 30 µg of potassium in the Yamato-74442 chondrite. The detection limit of IPs was ~1 mBq of 40K under 49 days exposure. The method provides an opportunity to screen meteorite materials non-destructively and to inexpensively check potassium-rich areas and are suitable for the 40K–40Ca and 40K–40Ar (39Ar–40Ar) age determinations.

Original languageEnglish
Pages (from-to)1-9
Number of pages9
JournalJournal of Radioanalytical and Nuclear Chemistry
DOIs
Publication statusAccepted/In press - May 10 2016

Fingerprint

Meteoroids
Luminescence
Potassium
Screening
Alkalies
Autoradiography
Meteorites
Imaging techniques
Limit of Detection

Keywords

  • K decay
  • Chondritic meteorites
  • Imaging plate
  • K-rich rock fragments

ASJC Scopus subject areas

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

Cite this

Photostimulated luminescence applicable to pre-screening of potassium-rich phases in chondritic breccias. / Yokoyama, Tatsunori; Misawa, Keiji; Okano, Osamu; Minowa, Haruka; Fukuoka, Takaaki.

In: Journal of Radioanalytical and Nuclear Chemistry, 10.05.2016, p. 1-9.

Research output: Contribution to journalArticle

@article{82349a695928467e96b3a5ecc7977f5c,
title = "Photostimulated luminescence applicable to pre-screening of potassium-rich phases in chondritic breccias",
abstract = "The identification of alkali-rich components in extraterrestrial materials along with their separation from other constituents is indispensable for subsequent cosmochemical and isotopic studies. This paper presents a simple pre-screening method for such materials by autoradiography using imaging plates (IPs), which is applicable to identification of mm-sized samples containing ca. 30 µg of potassium in the Yamato-74442 chondrite. The detection limit of IPs was ~1 mBq of 40K under 49 days exposure. The method provides an opportunity to screen meteorite materials non-destructively and to inexpensively check potassium-rich areas and are suitable for the 40K–40Ca and 40K–40Ar (39Ar–40Ar) age determinations.",
keywords = "K decay, Chondritic meteorites, Imaging plate, K-rich rock fragments",
author = "Tatsunori Yokoyama and Keiji Misawa and Osamu Okano and Haruka Minowa and Takaaki Fukuoka",
year = "2016",
month = "5",
day = "10",
doi = "10.1007/s10967-016-4846-x",
language = "English",
pages = "1--9",
journal = "Journal of Radioanalytical Chemistry",
issn = "0022-4081",
publisher = "Springer Netherlands",

}

TY - JOUR

T1 - Photostimulated luminescence applicable to pre-screening of potassium-rich phases in chondritic breccias

AU - Yokoyama, Tatsunori

AU - Misawa, Keiji

AU - Okano, Osamu

AU - Minowa, Haruka

AU - Fukuoka, Takaaki

PY - 2016/5/10

Y1 - 2016/5/10

N2 - The identification of alkali-rich components in extraterrestrial materials along with their separation from other constituents is indispensable for subsequent cosmochemical and isotopic studies. This paper presents a simple pre-screening method for such materials by autoradiography using imaging plates (IPs), which is applicable to identification of mm-sized samples containing ca. 30 µg of potassium in the Yamato-74442 chondrite. The detection limit of IPs was ~1 mBq of 40K under 49 days exposure. The method provides an opportunity to screen meteorite materials non-destructively and to inexpensively check potassium-rich areas and are suitable for the 40K–40Ca and 40K–40Ar (39Ar–40Ar) age determinations.

AB - The identification of alkali-rich components in extraterrestrial materials along with their separation from other constituents is indispensable for subsequent cosmochemical and isotopic studies. This paper presents a simple pre-screening method for such materials by autoradiography using imaging plates (IPs), which is applicable to identification of mm-sized samples containing ca. 30 µg of potassium in the Yamato-74442 chondrite. The detection limit of IPs was ~1 mBq of 40K under 49 days exposure. The method provides an opportunity to screen meteorite materials non-destructively and to inexpensively check potassium-rich areas and are suitable for the 40K–40Ca and 40K–40Ar (39Ar–40Ar) age determinations.

KW - K decay

KW - Chondritic meteorites

KW - Imaging plate

KW - K-rich rock fragments

UR - http://www.scopus.com/inward/record.url?scp=84966577725&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84966577725&partnerID=8YFLogxK

U2 - 10.1007/s10967-016-4846-x

DO - 10.1007/s10967-016-4846-x

M3 - Article

SP - 1

EP - 9

JO - Journal of Radioanalytical Chemistry

JF - Journal of Radioanalytical Chemistry

SN - 0022-4081

ER -