Artigo Acesso aberto Produção Nacional Revisado por pares

Comparação interlaboratorial para análise de dureza total e cloreto em água

2010; Brazilian Chemical Society; Volume: 33; Issue: 8 Linguagem: Inglês

10.1590/s0100-40422010000800028

ISSN

1678-7064

Autores

Débora França de Andrade, Armando Augusto Clemente, Vera Harcar, Jefferson Lee Lima de Melo, Sônia Elisa Carvalho Pereira, Lucia Helena Menezes Santos, Viridiana Santana Ferreira-Leitão,

Tópico(s)

Analytical Chemistry and Sensors

Resumo

CHLORIDE IN WATER.Interlaboratorial comparison of the determination of hardness and chloride in water had been performed by 38 and 37 laboratories, respectively.In all cases the participating laboratories used its routine methods.Homogeneity and stability testing were performed on the samples sent to the laboratories.The codified results are graphically reported and compared to assigned value, determined by the consensus of the laboratories.Satisfactory results were obtained for 71 and 73% of the laboratories, considering hardness and chloride determination, respectively.

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