Supplier Page from Thermo Fisher Scientific for Platinum gauze, 52 mesh woven from 0.1mm (0.004in) dia wire, 99.9% (metals basis)
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific