Endosulfan-sulfate, 100 µg/ml, Cyclohexane, 1ml

Bis(4-methyl-1-pentyl) phthalate,1000 µg/mL,isooctane,1mL,

Perfluoropropionic acid, sodium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 378-77-8

Germanium (Ge)