Supplier Page from Thermo Fisher Scientific for Hexavalent Chromium, standard solution, Specpure:r, Cr:+6 1000µg/mL
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Fluorobenzene, 99% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific