Supplier Page from Thermo Fisher Scientific for Triphenylphosphine-3,3',3''-trisulfonic acid trisodium salt hydrate, tech. 85%
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Fluoranthene, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific