Petroleum Waxes Internal Standard ASTM D-5442

4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one, >98%, 25g

(+/-)-Metanephrine hydrochloride,1000 µg base/mL,MeOH,1mL,

DNPH - Mix 4, 50μg/ml in Acetonitrile, 5ml