2,4-Dibromo[13C6]phenol, 1.2ml x 100ug/ml, toluene

4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml

n-Nonadecane, ?13C: -34.60, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-92-5

Total Cyanide (CN-)