The slurry of Amsphere A3 is provided in a storage buffer solution containing 16% ethanol in 50 mM sodium phosphate, pH 7.5. Decant the storage solution once the resin has settled, and add 0.1 M sodium chloride to obtain a slurry concentration of 50% (v/v) (buffers other than 0.1 M sodium chloride can be used but could influence the packing quality).
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