pH 10.01 buffer solution (box of 25x20mL sachet)

Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane

Nitrofen, 10.0 µg/ml, Acetonitrile, 10ml

(-)-trans-11-Nor-9-carboxy-Δ9-THC, 1000µg/ml in MeOH, 1ml