2,4-DB

ASTM D 5291, Set of standards Standards suitable for calibration for C,H,N of petroleum products: ASTM D5291grade Acetanilide, 99+% Atropine (sulphate monohydrate), 98.5% Benzoic acid, 99.6% Cystine, 99% Diphenyl, 99% EDTA, 99.0% Imidazol, 99+% N

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)

Acetovanillone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 498-02-2