Internal Standard - Surrogate Mix Back Catalog number: 96032 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675828 Desmetryn, 100 µg/ml, Toluene, 5ml Price on request 79036 Naphthalene, 1000µg/ml in Acetonitrile, 1ml Price on request 673719 Trifluralin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request