Calibration Std. #1 Back Catalog number: 59892X Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PCB-LCS-A20 Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Price on request 2772.6-100-AN Atrazine-desethyl, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 6190-65-4 Price on request 682707 m-Phenylenediamine, 1000mg Price on request