Abstract

The separation of strontium from other alkaline earth elements and alkali metal elements is necessary for precise strontium isotope measurement in natural samples. The adsorption behavior of alkaline earth elements on tertiary pyridine resin was investigated using the methanol/nitric acid mixed solution, and the feasibility of strontium separation was studied. We found that strontium can be completely separated from other alkaline earth elements and alkali metal elements using the tertiary pyridine resin. The extraction of strontium from coral sample was demonstrated.

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