Supplier Page from Thermo Fisher Scientific for Sodium chloride crystal optic disc, 32mm x 3mm (drilled), polished both sides
9-Fluorenone, 99+% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethylene glycol dimethyl ether, 99+%, extra pure, stabilized with BHT from Thermo Fisher Scientific