Sulfate (SO4-2), 1000µg/ml in Water, 100ml Back Catalog number: 54106 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended E1328-100ML FE1328Lanthanum ICP 100mg/L ,100LPF Price on request E4008-500ML FE4008 Barium for AAS 1g/L ,500LPF Price on request E1053-100ML FE1053 Scandium ICP 1g/L ,100LPF Price on request