Supplier Page from Thermo Fisher Scientific for Sulfur in Light Mineral Oil standard solution, Specpure:r, 30,000µmg/g (3.00%)
1,2-Ethanedithiol, 95% from Thermo Fisher Scientific
Dotriacontane, 97% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific