Sulfate (SO4-2), 1000µg/ml in Water, 100ml Back Catalog number: 54106 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended E2131-100ML FE2131 PE ME 4 ,100LPF Price on request E4064-100ML FE4064 Antimony for AAS 1g/L ,100LPF Price on request E4086-500ML FE4086 Zinc for AAS 1g/L ,500LPF Price on request