Calibration Standard Mix 3 Back Catalog number: 53035 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678967 oxy-Chlordane, 100 µg/ml, Cyclohexane, 1ml Price on request 677417 4-Aminobenzenesulfonic acid, 250mg Price on request 677235 2,4-D-methyl ester, 250mg Price on request