Supplier Page from Thermo Fisher Scientific for Lead in Isooctane standard solution, Specpure:r, 18.5µmg/g(0.050g/gal)
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific