PCB Co-Eluter Isomer Mix

Aminomethylphosphonic acid, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1066-51-9

Guanylurea, 1000µg/ml in Water, 1ml

Atrazine-desethyl-desisopropyl, 50µg/mL in MeOH, 1ml