Direct Black 38, certified, 0.1g

Arochlor 1232, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11141-16-5

BTEX Mix

3-Chloro-1,2-propandiol-1-monopalmitate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.