Anion QC Mix Back Catalog number: 54523 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678425 gamma-HCH, 100 µg/ml, Acetonitrile, 5ml Price on request XA13120000IO Endosulfan (alpha and beta), 100 ng/µl, 1ml Price on request 0398.19-200-T 5-Methylbenz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 2319-96-2 Price on request