The chelate compound formed by terbium with acetylacetone （AA） has been used as the basis for a sensitive, accurate spectrofluorimetric determination of microamounts of terbium. At pH 8—8.5, [AA]/[Tb3+]=300—400, t...The chelate compound formed by terbium with acetylacetone （AA） has been used as the basis for a sensitive, accurate spectrofluorimetric determination of microamounts of terbium. At pH 8—8.5, [AA]/[Tb3+]=300—400, the chelate compound of terbium with AA forms quickly. The composition of the complex is Tb3+: AA=2:3. The展开更多
文摘The chelate compound formed by terbium with acetylacetone （AA） has been used as the basis for a sensitive, accurate spectrofluorimetric determination of microamounts of terbium. At pH 8—8.5, [AA]/[Tb3+]=300—400, the chelate compound of terbium with AA forms quickly. The composition of the complex is Tb3+: AA=2:3. The
