Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

d4 C28 alpha alpha alpha (20R)/C29 alpha alpha alpha (20R)-Methyl/Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

2,4-D, 10.0 µg/ml, Acetonitrile, 10ml

Neosolaniol, 100µg/mL, Solvent-acetonitrile, Unit 5mL, # of units-1, Cas.no. 36519-25-2