Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane

D5-threo-Chloramphenicol, 2mg

Methylnonylbenzene (Isomer mixture), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53657-85-5 / 18849-95-1 / 87630-23-7

Chrysene-d12, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1719-03-5