Internal Standard - Surrogate Mix Back Catalog number: 96032 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93064 Phenanthrene - 20% Price on request HPCB-3006N 4-Hydroxy-2',4',6'-trichlorobiphenyl, 10mg Price on request 676951 Alachlor ESA sodium salt, 100µg/ml, Acetonitrile, 1ml Price on request