Supplier Page from Thermo Fisher Scientific for 4-(2'-Pyridylazo)resorcinol, 97+%, ACS reagent
2-Ethyl-1-hexanol, 99% from Thermo Fisher Scientific
Benzalkonium chloride, alkyl distribution C8-C16, 50 wt% aqueous solution from Thermo Fisher Scientific
Dicalite® speed plus, Diatomaceous filter-aid from Thermo Fisher Scientific
DL-1,2-Hexanediol, 98% from Thermo Fisher Scientific