WA VPH Marker Standard Back Catalog number: 51141 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676926 4,4'-Diaminodiphenylmethane, 250mg Price on request 1502.10-K-IO 1,4-Diethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 105-05-5 Price on request S-4022-ASS-IO n-C17/(n-C17 + n-C27) (Integration control) 2000 µg + 500 µg in isooctane solution in 1mL isooctane n-Heptadecane/n-Heptacosane = 4:1 Price on request