Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane

Caffeine,100 µg/mL,MeOH,1mL,

O,O-Diethylhydrogenphosphate, sodium salt

3-Ethylnonane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17302-11-3