BTEX Standard Back Catalog number: 92975 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11750.12-100-IO 2,3,3',4,4',6-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 9723.29-100-IO Nonacosanoic acid, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4250-38-8 Price on request 0392.10-K-IO n-Butylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104-51-8 Price on request