Supplier Page from Thermo Fisher Scientific for Poly(N-vinylcarbazole), secondary standard, M.W. 135,600, M.N. 56,400
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific