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 E1070-100ML FE1070 Ytterbium ICP 1g/L ,100LPF Price on request E3028-100ML FE3028 3-Methoxypropyla IC 1g/L ,100LPF Price on request E4054-100ML FE4054 Phosphorus for AAS 1g/L ,100LPF Price on request