Sulfate (SO4-2), 1000µg/ml in Water, 100ml Back Catalog number: 54106 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended E2026-100ML FE2026 Agilent-1 17 ,100LPF Price on request E4054-100ML FE4054 Phosphorus for AAS 1g/L ,100LPF Price on request E4082-500ML FE4082 Tungsten for AAS 1g/L ,500LPF Price on request