Diffusion Coefficients in Aqueous Solutions of Cobalt Chloride at 298.15 K

• Autor(a) principal: Ribeiro, Ana C. F.
• Data de Publicação: 2002
• Outros Autores: Lobo, Victor M. M., Natividade, J. J. S.
• Tipo de documento: Artigo
• Idioma: eng
• Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
• DOI: 10.1021/je0101808
• Texto Completo: http://hdl.handle.net/10316/10607; https://doi.org/10.1021/je0101808

Differential diffusion coefficients of cobalt chloride in water at 298.15 K, and at concentrations from 8 × 10-3 mol dm-3 to 3 × 10-1 mol dm-3, have been measured using a conductometric cell and an automatic apparatus to follow diffusion. The cell uses an open ended capillary method and a conductometric technique is used to follow the diffusion process by measuring the resistance of a solution inside the capillaries, at recorded times. The results are discussed on the basis of the Onsager−Fuoss and Gordon models.