Aroclor 1221 Back Catalog number: 95552 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4051-5K-10HW 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) Price on request 675434 Tetradifon, 250mg Price on request 678104 Prothiofos, 100 µg/ml, Acetonitrile, 1ml Price on request