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 E3005-100ML FE3005 Bromate for IC 1g/L ,100LPF Price on request E1378-100ML FE1378 Cerium ICP 10mg/L ,100LPF Price on request E4111-100ML FE4111 Iron for AAS conc 10g/L ,100LPF Price on request