Published March 2000
| Version v1
Journal article
Separation and preconcentration of strontium from calcium in aqueous samples by supported liquid membrane containing crown ether
- 1. Korea Atomic Energy Research Inst., Taejon (Korea, Republic of). Nuclear Environment Research Div.
- 2. Kwangju Inst. of Science and Technology (Korea, Republic of). Dept. of Environmental Science and Engineering
Description
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. (author)
Additional details
Publishing Information
- Journal Title
- Journal of Radioanalytical and Nuclear Chemistry
- Journal Volume
- 243
- Journal Issue
- 3
- Journal Page Range
- p. 767-773
- ISSN
- 0236-5731
- CODEN
- JRNCDM
INIS
- Country of Publication
- Hungary
- Country of Input or Organization
- Hungary
- INIS RN
- 31016972
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Descriptors DEI
- AQUEOUS SOLUTIONS; CALCIUM; CROWN ETHERS; MEMBRANE TRANSPORT; MEMBRANES; PERMEABILITY; PH VALUE; SEPARATION PROCESSES; STRONTIUM; STRONTIUM ISOTOPES; SULFONIC ACIDS
- Descriptors DEC
- ALKALINE EARTH ISOTOPES; ALKALINE EARTH METALS; DISPERSIONS; ELEMENTS; ETHERS; ISOTOPES; METALS; MIXTURES; ORGANIC ACIDS; ORGANIC COMPOUNDS; ORGANIC OXYGEN COMPOUNDS; ORGANIC SULFUR COMPOUNDS; SOLUTIONS
Optional Information
- Notes
- 14 refs.