Sulfate (SO4-2), 1000µg/ml in Water, 100ml Back Catalog number: 54106 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended SCP150-100-585 CONOSTAN 1000ppm Standard, Ce, 50g Price on request E4023-500ML FE4023 Copper for AAS 1g/L ,500LPF Price on request E1388-100ML FE1388Gadolinium ICP 10mg/L ,100LPF Price on request