Calibration Standard Mix 1 Back Catalog number: 52033 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66171 2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Price on request 673266 Disulfoton-sulfone, 10.0 µg/ml, Acetonitrile, 10 Price on request 678440 Metalaxyl, 100 µg/ml, Acetonitrile, 5ml Price on request