Qualitative Reference Petroleum Set, 3 x 1ml Back Catalog number: D-5134-92-SET Availability: In the manufacturer's stock Price on request - + Recommended NIST-2225 Mercury - DSC calibration standard, 2,5g Price on request 3244.22-K-IO 13-trans-Docosenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-33-2 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