Supplier Page from Thermo Fisher Scientific for Lanthanum(III) nitrate hexahydrate, REacton:r, 99.99% (REO)
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific