Ring-size and substituent effects in the solvent extraction of alkali metal nitrates by crown ethers in 1,2-dichloroethane and 1-octanol

Journal Article · Fri Nov 01 00:00:00 EST 1996 · Solvent Extraction and Ion Exchange

DOI:https://doi.org/10.1080/07366299608918379· OSTI ID:422071

Sachleben, R A; Deng, Y; Bailey, D R; Moyer, B A ^[1]

---

1. Oak Ridge National Lab., TN (United States)

The extraction of alkali metal nitrate salts by solutions of crown ethers in each of the two diluents 1,2-dichloroethane and 1-octanol has been surveyed. The crown ethers include 18-crown-6, 21-crown-7, and 24-crown-8 ethers bearing cyclohexano, benzo, t-alkylbenzo, and/or furano substituents. The extraction efficiencies of the different crown ethers are examined in terms of ring-size, substituent, and solvent effects. Partition ratios for the crown ethers between water and either 1,2-dichloroethane or 1-octanol are discussed. The extraction selectivities, expressed as the separation factor for cesium over sodium, are examined in relation to crown ether structure. 62 refs., 5 figs., 4 tabs.

• Sponsoring Organization: USDOE
• OSTI ID: 422071
• Journal Information: Solvent Extraction and Ion Exchange, Vol. 14, Issue 6; Other Information: PBD: Nov 1996
• Country of Publication: United States
• Language: English

Related Subjects

40 CHEMISTRY
05 NUCLEAR FUELS
36 MATERIALS SCIENCE
ALKALI METAL COMPOUNDS
SOLVENT EXTRACTION
NUMERICAL DATA
CROWN ETHERS
NITRATES
OCTANOLS
SYNTHESIS
ETHANE
CESIUM
EFFICIENCY
SODIUM
IONS