Silicon (Si)

Prothiofos, 100 µg/ml, Acetonitrile, 1ml

2,2',3,4,5,6,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

1,2,8-Trimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20291-75-2