o-Dianisidine, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 679887 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677991 Pyrazophos, 100 µg/ml, Toluene, 1ml Price on request 676958 Temephos, 100 µg/ml, Acetonitrile, 1ml Price on request IBPO010 Brilliant Black PN (E 151), 1g Price on request