Calibration Std. #1 Back Catalog number: 59964X Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-FC93S-1.2ML 4.4'-DDE (13C12), 100µg/ml in n-Nonane, 1,2ml Price on request 687855 6PPD-quinone, 10mg Price on request 95164 2-Chloroaniline Price on request