PCB Calibration Solution, 100µg/ml in Acetone, 1ml Back Catalog number: C-CCSEC-R Availability: In the manufacturer's stock Price on request - + Recommended 3744.10-50-IO 1,2,3,4-Tetrachloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 20020-02-4 Price on request 1773.12-K-IO 4,4'-Diaminobiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 92-87-5 Price on request 0956.11-K-IO 2,5,7-Trimethylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-65-8 Price on request