Supplier Page from Thermo Fisher Scientific for Arsenic standard Liquid, for AAS, 1 _g/mL As in 2% KOH
2-Mercaptoethanol, 99%, pure from Thermo Fisher Scientific
Biphenyl, 99% from Thermo Fisher Scientific
Diethylene glycol, 99% from Thermo Fisher Scientific
Nafion|r N-324 membrane, 0.15mm (0.006in) thick, Teflon|r fabric reinforced from Thermo Fisher Scientific