Acids Calibration Level 4 Back Catalog number: 94841 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673417 Promecarb, 100 µg/ml, Acetonitrile, 5ml Price on request 1961.12-50-IO 2,4,4'-Tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 41318-75-6 Price on request MBP-95 2,2',3,5',6-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request