BTEX Standard Back Catalog number: 92712 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 676366 Nonadecafluorodecanoic acid, 100mg Price on request L14090000CY Heptachlor, 10µg/mL in Cyclohexane, 10ml Price on request