Publicação: Adsorption of chromium(VI) by titanium(IV) oxide coated on a silica gel surface
Carregando...
Data
Autores
Orientador
Coorientador
Pós-graduação
Curso de graduação
Título da Revista
ISSN da Revista
Título de Volume
Editor
Royal Soc Chemistry
Tipo
Artigo
Direito de acesso
Acesso restrito
Resumo
Titanium(IV) oxide, coated on the surface of silica gel (surface area, 308 m2 g-1; amount of Ti(IV) per gram of modified silica gel, 1.8 x 10(-3) mol), was used to adsorb CrO4(2-) ions from acidic solutions. The exchange capacity increased at lower pH values and was affected to some extent by the acid used. The material was used to preconcentrate Cr(VI) from 0.5 ppm solutions of chromate very efficiently and virtually 100% recovery was achieved in every instance.
Descrição
Palavras-chave
Titanium(IV) oxide modified silica, Silica gel surface coated with titanium(IV) oxide, Chromium(VI) determination, Preconcentration of chromium(VI)
Idioma
Inglês
Como citar
Analyst. Cambridge: Royal Soc Chemistry, v. 116, n. 3, p. 281-283, 1991.
