X-ray fluorescence (XRF) analysis is a sensitive technique that can be used to observe the elemental composition and concentration of samples in a non-destructive manner. However, samples being ...

A Sangam-era furnace used for glass bead manufacture at Kadalmangalam near Uthiramerur in Kancheepuram district (L) and glass beads in different shapes and colours Researchers say it could have been a ...