Fig. 6: Controls on Sr concentration and 87Sr/86Sr ratio.
From: The Hellenistic - Roman transition in glass technology: insights from Nysa-Scythopolis
The control from addition of decolourant (pyrolusite MnO2) on A. Sr concentrations and B. Sr/Ca ratios for the Iẓṭabba glasses. C. Nd versus Sr showing a competing control on Sr concentrations and D. MnO versus 87Sr/86Sr ratio.
