Supplier Page from Thermo Fisher Scientific for Brass spheres, alloy 260, 3.18mm (0.125in) dia
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific