Arsenic Standard: 1000 µg/g As in 75 cSt Hydrocarbon Oil, 50g Back Catalog number: VHG-OAS-1000-50G Availability: In the manufacturer's stock Price on request - + Recommended 5190-8291 Magnesium, 1000ug/ml, 100ml 601,41 Kč 56232 Germanium (Ge), 100 µg/mL in 2%-HNO3 / Water, 4x25ml Price on request 5190-8287 Lead, 1000ug/ml, 100ml 601,41 Kč