Semi-Volatile Standard

(+/-)-Normetanephrine-a,β,β-d3 HCl, 100µg/ml in Me

2-Ethyl-3-methoxypyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 25680-58-4

Perfluoro-n-tridecanoic acid, 1.2ml x 50ug/ml, methanol