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Terbium Tetra‐Sulfosalicylate Complex as Quantitative Luminescent Sensing of Chromate Ions with High Selectivity and Sensitivity
Author(s) -
Yang Wei,
Xia Jinfeng,
Zhou Guohong,
Hu Tianxi,
Ye Danwang,
Jiang Danyu,
Li Qiang
Publication year - 2019
Publication title -
bulletin of the korean chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.237
H-Index - 59
ISSN - 1229-5949
DOI - 10.1002/bkcs.11495
Subject(s) - terbium , chromate conversion coating , luminescence , selectivity , detection limit , fluorescence , chemistry , tetra , ion , aqueous solution , inorganic chemistry , materials science , optoelectronics , chromatography , chromium , optics , organic chemistry , physics , medicinal chemistry , catalysis
In this study, a terbium(Ш) complex, Tb(SSA) 4 (SSA = sulfosalicylate), was synthesized and employed to detect toxic chromate anion (CrO 4 2− ) as a visually identifiable probe. Luminescence investigations confirmed that the Tb complex is an excellent probe with high selectivity, high sensitivity ( I 0 / I 100 μM = 9.5), and a low detection limit (2.8 × 10 −8 M), targeting CrO 4 2− in aqueous solution. The simple fluorescence‐based probe can be quickly and easily prepared, and enables the reliable, visual detection of CrO 4 2− ion in daily applications.