1,2,3,4,6,7-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Ytterbium (Yb)

n-Docosane-d46, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 260411-88-9

3,3',5,5'-Tetrabromobisphenol A diacetate,50 µg/mL,toluene,1mL Certan,