BTEX Standard Back Catalog number: 92793 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4PM130 2,2',3,3',4',5-Hexachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 677682 Indeno[1,2,3-c,d]pyrene, 100 µg/ml, Acetonitrile, Price on request 675096 n-Tetradecylbenzene, 100mg Price on request