Supplier Page from Thermo Fisher Scientific for Sapphire substrate, 50.8mm dia x 0.332mm thick, EPI polished two sides, C-axis, HEMCOR single crystal
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific