Design of a Flow-Through Voltammetric Sensor Based on an Antimony-Modified Silver Electrode for Determining Lithol Rubine B in Cosmetics
Figure 4
Scanning electron microscope SEM (at 15 kV) of antimony (Sb 4 mM) particles distributed at the Ag (0.3 mm i.d.) surface as the working electrode in the flow cell after: (a) bare Ag; (b) 0 hr; (c) 6 hr.
