Supplier Page from Thermo Fisher Scientific for Niobium rod, 12.7mm (0.5in) dia, hard, 99.8% (metals basis)
2-Fluoroaniline, 99+% from Thermo Fisher Scientific
4-Fluoroanisole, 99% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific