Phorate-oxon, 100 µg/ml, Toluene, 1ml

4,4'-Diamino-3,3'-dimethyldiphenylmethane, 100 µg/

Semi-Volatile Standard

GC-IRMS Standards (C11(?13C: -26.11); C15 (?13C: -30.22); C20 (?13C: -33.06)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no.