Supplier Page from Thermo Fisher Scientific for Hydrobromic acid, for analysis, ca. 48% solution in water
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
Ethyl oxamate, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific
Fluoranthene, 98% from Thermo Fisher Scientific