Copper (Cu) - 1 PPM

Perfluoro-4-ethylcyclohexane sulfonic acid, potassium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-24-0

Hexachloro-1,3-butadiene 13C4, 100µg/mL in Acetone, 1ml

4,4’-Dibromobiphenyl