2,2',3,5-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

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

Chloroform, 99+%,100 µg/mL,MeOH,1mL,

Fluoroacetic acid sodium salt, 100mg