发明授权
US09187588B2 Elution of metal ions from chelating resin using amino acid eluant 有权
使用氨基酸洗脱液从螯合树脂中洗脱金属离子

Elution of metal ions from chelating resin using amino acid eluant
摘要:
A method of eluting metal ions from a bed of metal-loaded chelating resin wherein the resin includes a crosslinked styrene-divinylbenzene copolymer matrix with pendent methyleneaminopyridine or phosphonic acid groups and the method includes the step of passing an eluant through the bed to at least partially remove the metal ions from the chelating resin and create a metal-rich eluate, wherein the eluant includes an aqueous solution comprising an amino acid compound having a molecular weight less than 500 Daltons.
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