Sulfate (SO4-2), 1000µg/ml in Water, 100ml Back Catalog number: 54106 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended E1407-100ML FE1407Lead ICP 10mg/L ,100LPF Price on request E1435-100ML FE1435 Zinc ICP 10mg/L ,100LPF Price on request E1016-100ML FE1016 Cesium ICP 1g/L ,100LPF Price on request