2,4',6-Trichlorobiphenyl,100 µg/mL,isooctane,1mL,

Sentex-8 High Concentration CCV Mix

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

17 alpha(H),21ß(H)-(22RS)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-13-0