Semi-Volatile Standard

O-Desmethyl tramadol-d6 (racemic) , 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 16412-54-7

9-Fluorenone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 486-25-9

Naphthalene-1,2,3,4,9,10-13C6,100 µg/mL,n-nonane,1mL,