Calibration Standard Mix 1 Back Catalog number: 53010 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70130 3,3’-Dichlorobenzidine Price on request 679395 Ioxynil-octanoate, 100mg Price on request 66163 2,3,3',4',5,6-Hexachlorobiphenyl Price on request