WS-SDWA Conductance @ 20°C

Sodium bis-[2-(N-ethylperfluorooctane-1-sulfonamido)ethyl] phosphate, 1.2ml x 50ug/ml, methanol

Phenol-Mix 1, 50µg/ml in MeOH, 10ml

Atrazine-desethyl-2-hydroxy, 100µg/ml in AL, 5ml