Retention Time Verification Standard

Ethion, 100 µg/ml, Ethyl acetate, 5ml

Chlorhexidine dihydrochloride, certified, 0.25g

1-n-Hexylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2876-53-1