1,4-Naphthoquinone, 250mg Back Catalog number: 675141 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 97658 Dow 624B Volatile Internal/Surrogate Standard Price on request 59579 Conductance @ 20°C [10 µmho/cm] Price on request L20020600IO PCB No. 206, 10ug/ml in Isooctane, 10ml Price on request