Zn, 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PZNN-100 Availability: In the manufacturer's stock Price on request - + Recommended VHG-OCO-1000-A-50 Cobalt Standard: Co @ 1000 µg/g in 75 cSt Hydrocarbon Oil, 50g Price on request 5190-8277 Cobalt, 1000ug/ml, 100ml 30,06 € 54112 Ammonia as (NH4+) Price on request