Research Article

A Single Platinum Microelectrode for Identifying Soft Drink Samples

Figure 5

Cyclic voltammograms recorded using a platinum working electrode in 0.01 mol L−1 H2SO4 solution before (solid line) and after the addition of caffeine (dashed line, final concentration = 0.25 mmol L−1). Scan rate: 50 mV s−1.
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