4-n-Octylphenol-di-ethoxylate, 1 µg/ml, Acetone,

(+/-)-Metanephrine-?,ß,ß-d3 hydrochloride,100 µg base/mL,MeOH,1mL,

Diethanolamine, 1ml

Conductance @ 20°C [2,000 µmho/cm]