Supplier Page from Thermo Fisher Scientific for Tungsten wire, 0.25mm (0.01in) dia, 99.95% (metals basis)
Ethyl oxamate, 99% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific