Multi-Elements Mix Back Catalog number: 50023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended NIST-1649B Urban dust - Organic contaminants, 2g Price on request 8705.12-100-IO 2,2',3,3',4',5,6-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-70-4 Price on request 673314 Haloxyfop, 10.0 µg/ml, Acetonitrile, 10ml Price on request