SOC Pesticide Standard #1 Back Catalog number: 92963 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680842 Azobenzene, 100 µg/ml, Cyclohexane, 1ml Price on request S-4256-1-10LW Sulfur Calibr. Mix. Dibenzothiophene in White oil (20 cSt)Unit: 10mL screw-capped bottle Matrix White oil White Oil Concentration Isooctane Toluene 3 cSt Price on request 680373 Ethylene thiourea, 100 µg/ml, Acetonitrile, 1ml Price on request