Sulfate (SO4-2), 1000µg/ml in Water, 100ml Back Catalog number: 54106 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended E4014-500ML FE4014 Cadmium for AAS 1g/L ,500LPF Price on request E1379-100ML FE1379 Cobalt ICP 10mg/L ,100LPF Price on request E4052-500ML FE4052 Neodymium for AAS 1g/L ,500LPF Price on request