Copper (Cu) - 10 PPM

2,4-Dibromodiphenyl ether, 1.2ml x 50ug/ml, nonane

Tetraethylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 71-91-0

Etrimfos, 100 µg/ml, Acetonitrile, 5ml