BTEX (20 µg/mL) Back Catalog number: 98518 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-1467-S 1,4,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request P2155023 Plastic additive 23, 200mg Price on request 677496 2,4-DB-methyl ester, 250mg Price on request