Supplier Page from Thermo Fisher Scientific for Alkali Metals, plasma standard solution, Specpure:r, Ba,Be,Ca,Cs,K,Li,Mg,Na,Rb,Sr @ 100µg/mL
2-Fluoroaniline, 99+% from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific