Sulfate (SO4-2), 1000µg/ml in Water, 500ml Back Catalog number: 54506 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 5190-8309 Silver, 1000ug/ml, 100ml 30,17 € VHG-PTLN-100 Tl, 1000 µg/mL in 5% HNO3, 100ml Price on request VHG-V21-100-100 V21 Wear Metals Standard: 100µg/g in Hydrocarbon Oil, 100g Price on request