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VALDIVIA, Marcelo Rodríguez; URDAY, Edwin Urday e VELASQUEZ, Gladys Ocharán. Evaluation of the cation exchange capacity, cec, of natural zeolite or of zeolite exchanged with sodium from ignimbritic formations in Puno, Peru, by measuring the removal of ammonium and heavy metals. Rev. Bol. Quim [online]. 2021, vol.38, n.2, pp.68-79.
ISSN 0250-5460.
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