Cobalt Standard: Co @ 1000 µg/g in 75 cSt Hydrocarbon Oil, 50g Back Catalog number: VHG-OCO-1000-A-50 Availability: In the manufacturer's stock Price on request - + Recommended 5190-8217 Thallium, 10,000ug/ml, 100ml 96,22 € 5191-4553 ICH Q3D & USP 232 Orals Kit_v2 1 178,00 € 54139 Sulfide (S), 1000µg/mL in Water, 3 x 20ml Price on request