Calibration Standard Mix 4 Back Catalog number: 52013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673539 Demeton-S-methyl, 10.0 µg/ml, Ethyl acetate, 10m Price on request 15900-1939-10CY10 Endosulfan (techn.), 10µg/ml in Cyclohexane, 10ml Price on request 676768 Benzthiazuron, 100 µg/ml, Methanol, 1ml Price on request