Sulfate (SO4-2), 1000µg/ml in Water, 100ml Back Catalog number: 54106 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended E4004-500ML FE4004 Arsenic for AAS 1g/L ,500LPF Price on request E4060-500ML FE4060 Rhenium for AAS 1g/L ,500LFL Price on request E1353-100ML FE1353 Tin ICP 100mg/L ,100LPF Price on request