Performance of IPEN-CNEN/SP neutron activation analysis laboratory for microelement determinations in proficiency testing.

AUTOR(ES)

ARMELIN, M. J. A.

FONTE

INTERNATIONAL NUCLEAR ATLANTIC CONFERENCE

DATA DE PUBLICAÇÃO

2011

RESUMO

The performance of Neutron Activation Laboratory, IPEN ? CNEN/SP, was evaluated for the Ca, Fe, K, Mn, Na and Zn determinations in animal feed samples for ruminants through a proficiency test (PT) program. This PT program is organized by Embrapa Cattle Southeast to evaluate laboratories that analyze animal feed samples. Considering the fractions of satisfactory z-scores (%) of evaluated analytes to determine the laboratories performance, the general performance indicator obtained by IPEN ? CNEN/SP ranged from 90 to 95% of the satisfactory results during the period of participation in the evaluation, four years.

ASSUNTO(S)

ipen analisys microelement analysis laboratory proficiency testing

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