Sulfate (SO4-2), 1000µg/ml in Water, 100ml Back Catalog number: 54106 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended E2132-100ML FE2132 PE ME 3 ,100LPF Price on request E1360-100ML FE1360 Thulium ICP 100mg/L ,100LPF Price on request E4048-500ML FE4048 Sodium for AAS 1g/L ,500LPF Price on request