Iowa BTEX Back Catalog number: 51181 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96218 PCB Isomer Standard, 100µg/ml in Isooctane, 1ml Price on request 15900-4320-100AN5 Quintozene (Pentachloronitrobenzene) Price on request F-7017-100MG 4-n-Dodecylbenzoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 21021-55-6 Price on request