Instrument Standard 6

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

1H-Benzotriazole-4,5,6,7-d4,100 µg/mL,isooctane,1mL,

Pendimethalin, 100mg