Multi-Element Calibration Standard-2A Back Catalog number: 50012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673749 Bromoxynil, 100 µg/ml, Ethyl acetate, 5ml Price on request 0641.24-100-IO 5ß(H)-Cholane, 100µg/ml in Isooctane, 1ml Price on request 673425 Propoxur, 100 µg/ml, Acetonitrile, 5ml Price on request