Conductance @ 20°C [2500 µmho/cm] Back Catalog number: 59138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677680 Benzo[a]pyrene, 100 µg/ml, Acetonitrile, 1ml Price on request 59177 Multi-Element ICP Standard Price on request 53330 EPA Method 200.8 - Analytes Price on request