Abstract
The use of enriched |$^{48}$|Ca is expected to improve the sensitivity of |$^{48}$|Ca double beta decay measurements. We have studied the enrichment of |$^{48}$|Ca with chemical exchange isotope separation using benzo-18-crown-6-ether resin. Chromatographic migrations of the calcium adsorption band were carried out at different migration lengths, 1 m, 20 m, and 200 m, using glass columns. Separation coefficients were observed as approximately |$3 \times 10^{-3}$|. Efforts have been made towards the production of benzo-18-crown-6-ether monomer at reasonable cost for the production of crown-ether resin for the separation of |$^{48}$|Ca.
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