BTEX Standard Back Catalog number: 92712 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8642.12-50-T 1,4-Dichlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 675786 Tetrasul, 100 µg/ml, Ethyl acetate, 5ml Price on request 59608 Anions Mix Price on request