Heptachlor, 1000µg/ml in Hexane, 1ml Back Catalog number: 79022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4256-500-10LW 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 14500-0121D-10CY1 Benzo(b)fluoranthene-d12, 10µg/ml in CY, 1ml 1 130,00 Kč 91848 Semi-Volatile Standard Price on request