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A simple procedure is developed to separate Sr from a large amount of Ca, which relies on the insolubility of Ca(OH) 2 in alkaline solution. Calcium is quantitatively separated from Sr and more than 95% of Sr is recovered from a sample with as much as 50g of Ca and a Ca/Sr mole ratio of 250. A new procedure for the separation of Sr from Ba and Ra is also investigated, which is based on the...
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