2,2'-Dichlorobiphenyl (4)

Dimethyl phthalate

S-4543-20-DCM-5X1ML Naphthalene Mix, 20µg/mL in dichloromethane, 5 x 1ml

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light 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)