Authors:
C. Lee Korea Atomic Energy Research Institute Nuclear Environment Research Division Yusung Taejon 505-353 Korea

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K. Hong Korea Atomic Energy Research Institute Nuclear Environment Research Division Yusung Taejon 505-353 Korea

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M. Lee Korea Atomic Energy Research Institute Nuclear Environment Research Division Yusung Taejon 505-353 Korea

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Y. Cho Korea Atomic Energy Research Institute Nuclear Environment Research Division Yusung Taejon 505-353 Korea

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G. Choi Korea Atomic Energy Research Institute Nuclear Environment Research Division Yusung Taejon 505-353 Korea

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Y. Choi Kwangju Institute of Science & Technology, Bukgu Department of Environmental Science and Engineering Kwangju 506-353 Korea

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S. Moon Kwangju Institute of Science & Technology, Bukgu Department of Environmental Science and Engineering Kwangju 506-353 Korea

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Abstract  

Supported liquid membrane containing crown ether (DC18C6) and dinonylnaphthalenesulfonic acid (DNNS) is proposed for separation and preconcentration of strontium in an aqueous environmental sample. The effects of carriers in membrane on permeability and selectivity of Sr2+ were characterized. Crown ether has a key role in the selective transport of strontium ion while DNNS facilitates the transport of both Sr2+ and Ca2+. A strontium ion can be selectively transported to an acidic strip solution against its concentration gradient across the membrane. This SLM can be used as an efficient method for separation and preconcentration of strontium in a neutral aqueous sample.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)