Supplier Page from Thermo Fisher Scientific for Multi-Element ICH/USP Parenteral Combined Standard Solution 1, Specpure:r
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific
Fluorobenzene, 99% from Thermo Fisher Scientific