PRECONCENTRATION CU (II ) CATION EXCHANGER WITH PS- DVB- S03H IN A BATCH AND RECOVERY ANALYSIS BY ATOMIC ABSORPTION (EAAF )

• Autores: Zegarra P., Marixa, Cjuno H., Jesús A.
• Formato: artículo
• Fecha de Publicación: 2013
• Institución: Universidad Nacional Mayor de San Marcos
• Repositorio: Revistas - Universidad Nacional Mayor de San Marcos
• Lenguaje: español
• OAI Identifier: oai:ojs.csi.unmsm:article/6542
• Enlace del recurso: https://revistasinvestigacion.unmsm.edu.pe/index.php/quim/article/view/6542
• Nivel de acceso: acceso abierto
• Materia: preconcentration; Cu (II ); cation exchanger; PS- DVB- S03H; monitoring; pH; circumvention; EAAF; recovery.; preconcentración; Cu(ll); intercambiador catiónico; PS-DVB-S03H; monitoreo; elusión; recuperación.

The presence of copper in nature is due to natural or anthropogenic sources. Because Peruvian law limits set quite low and instrumental techniques have limitations ultratrace levels , a method of preconcentration of aqueous samples of copper ( 11) with commercial cation exchange resin of the PS- DVB- S03H type is proposed and a batch system or " batch ." it worked with concentrations from 100 ppm to 0.01 ppm. the procedure followed is the same as determined by atomic absorption precedente2 article ( EAAF) and elution with 6N HCl , gave recoveries acceptable , obtaining an average percent recovery of about 85 % with a standard deviation of 3%.