1. Yellow beads are captured between two optical fibers and held by a red retaining plug.
2. Beads are perfused by acid, turning red.
3. Beads are turning yellow, while they are
perfused by an alkaline carrier stream.
4. Beads are removed from flow cell by flow reversal. Notice valve rotor turning in the background.
Bead Injection Spectrophotometry
In Radial Flow Cell Configuration
3.4.2.
