Internal Standard Stock Solution, 1.2ml, nonane

Metolachlor, 100µg/ml in MeOH, 1ml

U-{13C3}-Melamine

Ethyl tridecanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 28267-29-0