Supplier Page from Thermo Fisher Scientific for Nickel(II) sulfate hexahydrate, 98+%, ACS reagent
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Ethylene glycol dimethyl ether, 99+%, extra pure, stabilized with BHT from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific