Visible colorimetric sensing of Zn2+ and CN− by diaminomaleonitrile derived Schiff's base and its applications to pharmaceutical and food sample analysis
A newly designed diaminomaleonitrile derived schiff's base probe L was synthesized by
reacting 2, 3-diaminomaleonitrile with 3, 5-tert-butyl-2-hydroxybenzaldehyde and structurally
characterized by various spectroscopic techniques. The sensing ability of probe L was
studied with various cations and anions by visual and UV visible techniques. It reveals that L
is selectively interacting with Zn 2+ and CN− ions resulted in distinct colour changes from
yellow to grey and colourless respectively. The probe L exhibits 1: 1 complex formation with …
reacting 2, 3-diaminomaleonitrile with 3, 5-tert-butyl-2-hydroxybenzaldehyde and structurally
characterized by various spectroscopic techniques. The sensing ability of probe L was
studied with various cations and anions by visual and UV visible techniques. It reveals that L
is selectively interacting with Zn 2+ and CN− ions resulted in distinct colour changes from
yellow to grey and colourless respectively. The probe L exhibits 1: 1 complex formation with …
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