Erythrosin B disodium salt, certified, 0.25g

4,9-Dimethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66291-34-7

Mirex, 100 µg/ml, Cyclohexane, 1ml

QC Standard 1