Sulfate (SO4-2), 1000µg/ml in Water, 100ml Back Catalog number: 54106 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended E1321-100ML FE1321Germanium ICP 100mg/L ,100LPF Price on request E1212-100ML FE1212 Chromium ICP 10g/L ,100LPF Price on request E1393-100ML FE1393 Indium ICP 10mg/L ,100LPF Price on request