Interference Standard Mix 2 Back Catalog number: 53040 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682286 1-Bromo-4-chlorobenzene, 1000mg Price on request 92794 BTEX Standard Price on request 684535 Pyriprole, 100 µg/ml, Acetonitrile, 1ml Price on request