Sulfate (SO4-2), 1000µg/ml in Water, 500ml Back Catalog number: 54506 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended VHG-TSW-100 S @ 10000 µg/mL in H2O, 100ml Price on request E1196-100ML FE1196 Yttrium ICP 10g/L ,100LPF Price on request E4049-100ML FE4049 Sodium for AAS 1g/L ,100LPF Price on request