Supplier Page from Thermo Fisher Scientific for Perfluorotributylamine, Mass Spec Std
Potassium hydrogen phthalate, ACS reagent, acidimetric standard from Thermo Fisher Scientific
Rubidium, plasma standard solution, Specpure:r, Rb 1000µg/mL from Thermo Fisher Scientific
Sulfur in Heavy Mineral Oil standard solution, Specpure:r, 40,000µmg/g (4.00%) from Thermo Fisher Scientific
Terbium, AAS standard solution, Specpure:r, Tb 1000µg/mL from Thermo Fisher Scientific