1,6-Dimethylnaphthalene

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)

2-Phenylbenzimidazole-5-sulfonic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 27503-81-7

2-Perfluorobutyl-[1,1,2,2-2H4]-ethanol (4:2), 50µg/ml in MeOH, 1,2ml