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 5190-8260 Arsenic, 1000ug/ml, 100ml 30,22 € 5191-4570 ICP-MS Internal Std Mix (100mL) 258,90 € 5190-8309 Silver (Ag) standard, 1000µg/mL, in 5% HNO3, 100ml 30,22 €