BTEX (1.0 µg/mL) Back Catalog number: 98514 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11746.12-100-IO 2,2',3,4',5,6'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 34003 Acrylonitrile Price on request VHG-B100M5-5-100G Metals in Biodiesel Standard, 5µg/g , 100g Price on request