2,4'-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Fenitrothion D6 (O,O-dimethyl D6), 100µg/ml in Cyclohexane, 1ml

Irbesartan-d4 (2,3,5,6-phenyl-d4),ca. 100 µg/mL,MeOH,1mL,

ICP Spiking Mix