Calibration Standard Mix 4 Back Catalog number: 52013A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1853.16-100MG 1,8-Anthracenedicarboxylic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 93655-34-6 Price on request 66210 DCMA - PCB Congeners Price on request 3781.9-K-IO 2-Isobutyl-3-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 13925-06-9 Price on request