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Issue 36, 2016, Issue in Progress
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Fluorescence staining of salicylaldehyde azine, and applications in the determination of potassium tert-butoxide

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Abstract

Salicylaldehyde azine (1), with an aggregation-induced emission (AIE) function, was synthesized from salicylaldehyde and characterized by Fourier transform infrared spectroscopy (FT-IR), nuclear magnetic resonance (NMR), high resolution mass spectrometry (HRMS), and X-ray single crystal diffraction. Compound 1 exhibited high thermal stability and good light-emitting behavior in the solid state. It could be preferably used to dye cellulose and KBr. No obvious changes in fluorescence intensity occurred when compound 1 was dissolved in different pH buffer solutions. The addition of TFA led to slight fluorescence quenching, and the fluorescence intensity gradually increased with increasing potassium tert-butoxide solution concentrations. The fluorescence intensity of compound 1 showed a good linear relationship with the concentration of potassium tert-butoxide (0.5–4.0 × 10−4 M), y = 99.193x + 93.599, R2 = 0.9902; the limit of detection (LOD) was 1.07 × 10−7 M. It could measure the content of potassium tert-butoxide with a relative standard deviation (RSD) value of 1.5%.

Graphical abstract: Fluorescence staining of salicylaldehyde azine, and applications in the determination of potassium tert-butoxide

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Publication details

The article was received on 13 Jan 2016, accepted on 11 Mar 2016 and first published on 18 Mar 2016


Article type: Paper
DOI: 10.1039/C6RA01035K
Citation: RSC Adv., 2016,6, 30636-30641
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    Fluorescence staining of salicylaldehyde azine, and applications in the determination of potassium tert-butoxide

    J. Yang, J. Rui, X. Xu, Y. Yang, J. Su, H. Xu, Y. Wang, N. Sun and S. Wang, RSC Adv., 2016, 6, 30636
    DOI: 10.1039/C6RA01035K

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