Barbieri, R. S.Terra, V. R.Netto, A. M.Rocha, J. C.2014-05-202014-05-201995-01-01Quimica Nova. São Paulo: Soc Brasileira Quimica, v. 18, n. 1, p. 40-43, 1995.0100-4042http://hdl.handle.net/11449/37079A study of both zirconium and hafnium alpha-hydroxycarboxylates for analytical applications is presented, These compounds are studied by infrared spectroscopy, thermal analysis and X-ray diffractometry. dl-Mandelic, dl-p-bromomandelic and dl-2-naphthylglycolic acids are the more adequate reagents for gravimetric determinations of zirconium and hafnium, the ligands dl-2-hydroxyhexanoic and dl-2-hydroxydodecanoic acids were used for the first time and the results showed that they are also adequate reagents for the same purpose.40-43engZIRCONIUM ALPHA-HYDROXYCARBOXYLATESHAFNIUM ALPHA-HYDROXYCARBOXYLATESZIRCONIUM GRAVIMETRYHAFNIUM GRAVIMETRYArtigoWOS:A1995RV87100010Acesso abertoWOSA1995RV87100010.pdf