Fig. 3
From: Analysis of trace metal distribution in plants with lab-based microscopic X-ray fluorescence imaging

Photos of the µXRF system configuration. a Configuration of the whole system, as set up for measurements on roots i.e. with peristaltic pump for liquid media. b Close-up view of the in vivo measuring chamber in focus position. c Configuration of the system as set up for measurements on leaves i.e. with air supply