WS Dioxin

WS Benzo(a)pyrene - Cal Check

1,2,3,4,7,8-Hexachlorodibenzofuran ,50 µg/mL,n-nonane,1mL,

4-Methyltridecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 26730-12-1