Perfluoro-n-[1,2-13C2]hexanoic acid, 50µg/ml in MeOH, 1,2ml

N-(2-Hydroxyethyl)-N-methylperfluorooctane sulfonamide,50 µg/mL,acetonitrile,1mL,

Mixture of 13C-labelled α-, β-, and γ-HBCD, 1.2ml , toluene

Thallium (Tl)