Multi-Element Internal Standard /

2,2',3,3',5,6,6'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL,

3,4-Dimercaptotoluene 5000µg/mL in acetone, 5x1mL

2-(4-Carboxyphenyl)-1H-benzimidazole, neat, Solvent-neat, Unit 10MG, # of units-20, Cas.no. 66631-29-6