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
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific