Metamizol-sodium, 100µg/ml in Acetonitrile, 5ml

2-Ethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 939-27-5

Bis(2-Ethylhexyl)phthalate, 1mg/ml in MeOH, 1ml

Fluoride (F -)