Figures index

From

Short Communication: Electrochemiluminescence on the Basis of tris(bipyridyl)ruthenium(II) – Further Analytical Experiments

A. Habekost

World Journal of Chemical Education. 2016, 4(3), 64-66 doi:10.12691/wjce-4-3-3
  • Figure 1. Left: Screen-printed electrodes with photomultiplier tube. Right: Modified ECL cell; at the bottom of the cell are the screen-printed electrodes
  • Figure 2. Top: Concentration-dependence of the ECL signal of three amino acids. The background (only Ru(II)) is quite low. Bottom: ECL intensity of proline (and Ru(bpy)32+) at low concentrations
  • Figure 3. Top: Detection of the absorption of the proline-ninhydrine complex (different proline concentrations) at 420 nm. Bottom: Absorption vs. concentration
  • Figure 4. ECL signal of glyphosate solution (10-5 mol/L). Dashed red line: ECL of Ru(bpy)32+ (background).
  • Figure 5. ECL intensity of 0.05 mol/L glyphosate solution without (760–800 s) and with (800–900 s) ZnO (1 mg) and with (900–960 s) TiO2 (1 mg). Photomultiplier voltage: -1,200 V